Mobil 1 synthetic was in the car, but I went back to regular oil because it's dirt cheap and good enough. The situation is that my MPG have dramatically drop in the period of about a week (took about double normal gas to drive 60 miles of highway). Aproximitly 3400 miles since last oil chenge. I did the oil change myself and included a K&N Air Filter at the same time. Question: Would a sudden change in MPG be a result of a failing transmission? My fuel injectors have been cleaned, oil change, and new tires within the last 2 months. There is your answer. Using a fictitious 2018 Mazda MX-5 Miata, which uses synthetic oil, as our price tester, we found that the cost of an oil and filter change varied from $69 at the dealer all the way to $95 at the. While the drop evaporates from a pillar array, its rim recedes via stepwise depinning from the edge of the pillars. Taylor OKs zoning change to make way for possible Sheetz But officials warned that Barry could still cause disastrous flooding across a wide stretch of the Gulf Coast and drop up to 20 inches. Dealer said I could go 7500 with no problem. On the way back after the oil change I got roughly 15mpg with no traffic (same calculations used). It appears that the oil is being burned by the engine because of the smoke in the exhaust. After noon ride was 37 F. View our Midwest Transit Equipment inventory to find the right vehicle to fit your style and budget!. It usually causes a drop of 1-2mpg in the first 500 miles. First, a gain in fuel economy can be achieved with lower viscosity oil. I use the same octane fuel every time. also noticed a drop in mileage since the last refill. 000 km) SUPERIOR PROTECTION FOR CUMMINS ENGINES • Higher efficiency to better protect your engine throughout the entire service interval • Lower cold-start restriction to enhance oil flow to vital engine components at. Can a miles per gallon meter help to increase my gas mileage? Yes, it makes you aware of how your driving affects your mpg, and helps to change bad driving habits, like excessive acceleration at a green light. I have a 1998 Taurus. With wider intervals between oil changes in modern vehicles, car owners forget to check oil level between changes. Tire inflation pressure. Use a fuel/water separator. Sudden Drop in Fuel Economy the only maintenance I have done since the 3000 mile trip was a clean air filter and an oil change. 4% change in fuel economy. I bought the car new and for years have gotten 24-26 mpg. That is if you took it someplace other than the dealer, they know better. Modern cars are loaded with electronics, including the ignition system. Since I bought my car my average city would be 24 mpg and with negative weather I would do 20mpg. Every time I read this it's like a pain. Locate the Oil Pressure gauge; it should be in the instrument cluster next to the speedometer. So waited for the tank to almost empty and it turned out to be 22 mpg! It used to be easily around 26 if not better than 24. Good news is everything looked great and clearly had been well maintained. Thinner oils help manufacturers get that extra MPG or too they need for the car to make the target or CAFE standard. The Ford Contour I had with a 2. I recently changed my oil (first oil change at 7. How long does your truck continue to have bad gas mileage after. Can a miles per gallon meter help to increase my gas mileage? Yes, it makes you aware of how your driving affects your mpg, and helps to change bad driving habits, like excessive acceleration at a green light. After a few oil changes and replacing valve lifter filter Im idling at 39psi and going up to 62 depending on driving of course. If your sudden drop coincided with a drop in temperature (as well as winter gas), then that explains it, IMO. So what causes mpg to decrease as the car gets older? edit: changed from 36/32 hwy/city to hwy/mixed. View our Gerald Jones Mazda inventory to find the right vehicle to fit your style and budget!. 0 flex fuel engine. Dipstick was in the middle of add oil red zone, added about 1 quart of oil to get it towards the top of the "normal" zone. It is designed for improved fuel economy versus ROTELLA ® CK-4 oils while offering equivalent wear protection to CK-4 products. I have a 1990 cadillac deville. 1" Do you mean your average barely changes after an all electric run? If you have "very few,5 miles " miles on the "tank" then yeah you should get a BIG change. Locate the Oil Pressure gauge; it should be in the instrument cluster next to the speedometer. I realized I needed to change the oil and attributed the problem to that (I was 1000 miles overdue) but the problem continued after the oil change. Oil flows adequately into the pump, but does not flow through the. It takes a good 15 minutes of highway driving for the heater to really start working and the oil temp to get around 160 degrees, and another 15 minutes to stabilize around 200 degrees (at which point the mpg gauge starts climbing up). There is a lot of erroneous information on the internet regarding a drop in miles per gallon after an oil change. The move to thinner oils (5w30, 0w30, now 0w20) is ALL about fuel efficiency. Special Vehicles for Sale. I had guessed that a new air filter, that the oil changer had installed was at fault. No unusual changes in my driving. I bought the car new and for years have gotten 24-26 mpg. And some just use the same motor oil they plan to use in the engine for regular use for the initial break-in, then change it after a few hours or 50 to 100 miles to get rid of the contaminants. It appears that the oil is being burned by the engine because of the smoke in the exhaust. I've had my 6. After decades of reminding owners to change engine oil every 3,000 miles, engine and oil technologies now allow for 7,500-mile maintenance intervals. I wouldn't change much but hopefully Ford will improve the gas mileage. Since then, the MPG average has dropped from around 45 MPG to 32 MPG. And there is no reason why oil before and oil after a normal OCI would make any difference. The Consumer Price Index, CPI, is a better measure of changes in the prices of commodities and services that a typical consumer would purchase, while the Wholesale Price Index, WPI, is a better measure in the changes in the cost of inputs for businesses. You will have to experiment with your own engine to see if higher octane fuel will give better fuel economy and higher MPG. After we towed the car to the dealer, we found out the oil had leaked from an engine cooler pipe which was poorly designed and over time it could develop a slow seep leak or in our case failed in a sudden burst and caused the oil to leak out like a running faucet. It usually causes a drop of 1-2mpg in the first 500 miles. Is that a good trade? drop to 26 percent in 2020, then to 22 percent in 2021, and then to 10 percent after 2022 for. causing damage to your engine. , 154,000 miles. And oil that had been in the engine long enough to make such a difference would cause far, far more serious problems than lower mileage. Why Is My Car Leaking Oil When Parked? It is often said that changing the oil is the single most important thing you can do to take care of your car. Do not do Uber its slave wages for a food delivery in your neighborhood find a mom and pop place and go work for them average price is $4 per hour and 50 cents to $1 of delivery plus tips 5 days a week must be a busy place least a $1000. Not sure if this has anything to do with Katrina - Since this is the first time I bought Synthetic oil w/o a rebate!. This isn’t to be confused with the oil pressure dashboard light which could suggest you are driving with insufficient oil in the engine which can lead to permanent engine damage. 6, auto tranny, 170k miles. Air filter is clean, I'm about 2k away from my next oil change. If anything, I'm using less right foot than before to see if that will bring the MPGs back up. Back to my saga, oil pressure dropping again, down to 40 lbs, truck seems a little sluggish, or is it my imagination? Into another shop, nothing wrong, within specs (hysterical female syndrome). Smart Ways to Save on Car Expenses. I was at a half tank the other day and my trip was at 170. I got around 20-21 miles per gallon average speed around 80 to 65 some traffic with stop and go. No lift and factory wheels/tires Truck only has approximately 1500 miles. The only light that is on now is the brake light. FACT: Subaru designed today's engines to operate longer between oil changes. com and their test procedure says to test using the port on the end of the head (low pressure side). I do occasionally experience a "thump" noise/feeling when the vehicle is in reverse after a few feet. OPEC with 30% of market share and no extra production capacity can control the market. I've had my '15 Forester 2. It is likely that both increases in demand and fears of supply disruptions have exerted upward pressure on oil prices. I buy at Costco since my wife who drives a teg1 said that World gas gives poor mileage but not Costco. While this is true, (just did the timing set and phasers on an '05), the tiny orifice in the phaser, (they operate on oil pressure), can clog on its own from the tiniest amount buildup or contamination. This side effect of endometriosis can be co-diagnosed or misdiagnosed as Pre-Menstrual Dysphoria Disorder, which is when women have such a drop in their hormones before and during their periods. I don't have any hard evidence, but I will check again after I've run this tank out. I am a college student with kiddos and I could really use some tips on how to get better mpg as right now it is. After doing it three times,the inside the pan is squeeky clean and the new oil stays clearer much longer. Re: Loss of oil pressure after hard acceleration 12-28-06 07:54 AM - Post# 1060188 In response to FredZA oil is being trapped in the top of the engine. Same driving habits, part city, part freeway. My suspicion is the gas. Aggressive driving can lower gas mileage by up to 33% on the highway and up to 5% in the city. ) for your. Now, Im lucky if I get a. Domestic oil production has increased every year since 2008, except for a 6. Lastly, since I'm off the break-in schedule of approximately 1000 mile interval changes, I'm back to my normal 2000 mi changes. I did change the brakes recently. When supply exceeds demand, prices fall and the inverse is also true when demand outpaces supply. I brought the car into the dealer to check on car but he said that the gas mileage will improve after two to three oil changes and not to expect advertised mph pf 21 to 27 until then. current milage 17500. I reset my ECU and popped back up to 24 which is a little on the low side(car is not stock though) But now the MPG drop popped up again. Agree to change out spin-on filter, pressure right back up. These are the key factors that affect the cost of an oil change, and they vary from vehicle to vehicle. Anyone know what might cause this? Details: I have not changed my driving habits at all - same routes, same behavior. When asking around, I get varying opinions on oil consumption, some say their bikes use none others say they do - Had 2 new Softails, both used some, - couple of my buddies have 06 Softail Std (16000kms) and 08 Dyna Lowrider (13000kms) both claim dont use any - My old Softy would go for a while use nothing then all of a sudden take a drop - whats considered normal usage?. I change the Oil as it is Suggested, and the last 3 Times I started using Synthetic Oil. Every time I read this it's like a pain. Low pressure can be a strain on the mileage while a super high pressure would increase the mileage but also yield instability. But Oil pressure is caused by the clearances between all the moving parts in an engine, the closer the clearances the higher the pressure, low oil pressure is caused by the excessive wear and expansion of these clearances due to a lack of lubrication, that is why your new engine has great oil pressure,. The recession caused demand for energy to shrink in late 2008, with oil prices collapsing from the July 2008 high of $147 to a December 2008 low of $32. plug the pc in to the router by hard line see if the speed goes up. Since then, the MPG average has dropped from around 45 MPG to 32 MPG. Checked the pressure in the tires. Most AutoZone stores accept used motor oil, transmission fluid, gear oil and automotive batteries. If I leave it in park and keep the engine revved up, then the oil pressure will go up. Is that a good trade? drop to 26 percent in 2020, then to 22 percent in 2021, and then to 10 percent after 2022 for. Again, no need to go to recycling after every oil change. Searched for this topic, but couldn't find anything 2014 Outback 2. No, you didn’t read that wrong — you really don’t need to change your oil every 3,000 miles. Increasing fuel economy remains a top priority for most automakers. Get to know your engine and change your oil on your own with this Honda Accord step-by-step video. 8MPG (25% drop) with my driving habits/city-highway mix staying the same. So, I decided that maybe the oil meter was screwed up in addition to needing to get my oil changed. Oil Dependence and U. For instance, if you are using an ISO 220 viscosity gear oil but a lower viscosity gear oil (such as ISO 68). I was about 15 minutes into a 35 minute drive. In your engine, the lubricating properties. 5 mpg drop?) Last week I had a new drivers wheel bearing put on (again the abs sensor was bad in the first one), an oil change, and a fuel filter. My MPG went from low 20s to over 30 MPG. Why Some 2016 Honda Civic Owners Report Low MPG. Resist the temptation to idle your car to warm it up. Much better than my 1500, which I got around 19 or less on highway, and forget about climbing up the hills it was a dog, and towing it did good sense I was maxing out the weight limit. So waited for the tank to almost empty and it turned out to be 22 mpg! It used to be easily around 26 if not better than 24. 26, a 20% drop in MPG. Leaded gas despite its good points is destructive in other ways. put fuel economy at the top of your list of must-haves. Turquoise is commonly treated in various fashions to ensure its durability and visual appeal, especially when set in jewelry. After a treatment of Stiction Eliminator, your vehicle will have had a complete cleaning on the oil side of your engine, showing improved power and compression, and. One or more factors can contribute to a drop in oil flow or system pressure, for example: Not enough oil in the system. I was about 15 minutes into a 35 minute drive. « Reply #16 on: July 05, 2019, 07:01:02 PM » After another couple of cold starts (blue light on for a spell), but a couple of longer runs, my days mileage finished at 23 and ScanGauge figure was 57. I recently had a large drop in fuel mileage. Not sure if this has anything to do with Katrina - Since this is the first time I bought Synthetic oil w/o a rebate!. If the engine is programmed for a lower grade of oil, you can still use XD-100, but you will use more of it than necessary. The oil does not pass through the filter until after it leaves the pump. Your maintenance schedule includes the proper engine oil and recommended replacement intervals. ” The oil prices are all the more surprising after hitting a four-year high in October, Cinquegrana said. You mention that the clutch is about to "go". What Are the Causes of Sudden Loss of Appetite? August McLaughlin While a healthy appetite can reflect positive health, reduced or sudden loss of appetite may be a sign of any number or problems, with causes ranging from infection to stress. Checked the pressure in the tires. When a usually-reliable vehicle experiences a sudden drop in gas mileage after a routine oil change, several things may be occurring. By the way, I had put the Gulf Coast Bypass Oil Filter System on 6 months after buying truck. After reassembly, must change oil&filter after 5 minutes of running, then change again after 10 minutes of running. The reason synthetic oil will probably help you achieve greater gas mileage is due to the fact it tends to lubricate your car's engine better than conventional motor oil. For the first 22,000 miles I averaged 20. Typically, oil pressure is lower with a multigrade, and the uninitiated user can interpret the pressure drop as indicating a problem with the engine. Literally watched the fuel gauge drop from F to 3/4 on the morning ride. The Fed kept policy unchanged at June’s meeting, but hinted at a rate cut as early as July. 5i for just over 6 months now and I noticed a sudden drop in fuel economy. Have 2013 Honda Accord EX-L V6 with 8k miles. Anyone know what might cause this? Details: I have not changed my driving habits at all - same routes, same behavior. On the way back after the oil change I got roughly 15mpg with no traffic (same calculations used). First, a gain in fuel economy can be achieved with lower viscosity oil. 5 (lol) times. Since I bought my car my average city would be 24 mpg and with negative weather I would do 20mpg. Coupon has no cash value. It could also be the change to. Tire inflation pressure. Havoline Xpress offers quality oil changes. A 'sudden' drop in mileage means a component has failed, especially if it was some time after the service. Applicable sales tax, title, license and $150 negotiable document fee may be added to the vehicle selling price. Then all of a sudden during the month of March I noticed a big change. You’ll want to check the oil levels and add oil before moving again. As each injector is energized, a fuel pressure gauge is observed to monitor the drop in fuel pressure. If you are reading this then you have probably tried to find the tuner's needed to perform a DPF delete, and you are having a hard time finding them. Typically, oil pressure is lower with a multigrade, and the uninitiated user can interpret the pressure drop as indicating a problem with the engine. If the SI diagnosis isolates low mechanical oil pressure, replace the oil pump, flush the oil cooler lines (if equipped), clean the inside of the oil pan, change the oil and filter, and re-evaluate the concern. Most AutoZone stores accept used motor oil, transmission fluid, gear oil and automotive batteries. To see if you have this bypass unscrew your filter and see if it has a oval washet behind the filter stud. To make a profit from a sudden change in the underlying asset’s price, the trader can buy a cryptocurrency at a low price and sell it at a higher price later. Have 2013 Honda Accord EX-L V6 with 8k miles. More mog is my reason for replacing the stock filters. Nevertheless, it is something that many automobile owners delay—and the results of procrastination can be dire. check the oil dip stick as soon as this happens to see what the oil level is in the pan. When I ran the 6. After reassembly, must change oil&filter after 5 minutes of running, then change again after 10 minutes of running. But all is not lost, since there are things you can do to extend the utility of the fuel you put in your tank. You've asked several questions hereand also given some information that may have an impact on the answers you might get. I have a 2008 Scion xB And two years ago I took it to the dealer because my coolant level was below the "Low" level. Special Vehicles for Sale. There could be several reasons for a downward trend or even a sudden drop in viscosity without warning. Sudden drop in MPG I've had my F150 since June and have been getting over 21 mpg on the highway. How hearing aids can help in the event of sudden hearing loss Wearing hearing aids will alleviate the effects of sudden hearing loss if your hearing loss persists over time. if the router hard line speed is fine check that router set for n speed and not the older b/g. I simply reset my oil life monitor and change my filter at 7500 miles, going 15,000 miles between changes using AMSOIL'S signature series oil. However, low oil pressure is not necessarily bad. The 2008 Chevrolet Suburban has 6 problems reported for engine suddenly lost oil pressure. For most engines, the 87 octane fuel will give the best fuel economy. Problem is it started right after they did the First Oil Change and has not gotten better in the last 10,000 miles so Regen is OUT. More friction means more wear, more heat, more. They inspected for leaks, found nothing, and topped it off saying temperature/pressure cause level changes. Haynes on sudden drop in blood sugar causes: I donot think so. Change the oil & filter every 5,000 to 7,500 miles (8,000 to 12,000 km) for the Classic Prius. And after several years of service, it is not unusual to find brake fluid that contains as much as seven to eight percent water. "Jackrabbit starts, driving at extremely high. I thought it was a fluke. To see how frequently Volkswagen Touareg problems occur, check out our car reliability stats. While at around 4000 - 5000 Kms distance when covered - mileage will be at its best and will stabilize - which even gets better on Oil Change at 7500 - 10,000 Kms. Sudden, significant drop in MPG after an oil change. But all is not lost, since there are things you can do to extend the utility of the fuel you put in your tank. com : Car complaints, car problems and. sudden drop in mpg in my. I am trying to figure out the problem as cheap as possible. I also took the car to Firestone for an oil change. Almost overnight the mileage has dropped to 20mpg or less. A 'sudden' drop in mileage means a component has failed, especially if it was some time after the service. Without doing oil changes, the engine could get a buildup of old smudgy oil that tends to slow things down a bit. If you take a long trip on interstate highways and you constantly drive more than 60 miles per hour, you will notice a decrease in gas mileage. Brian, something is really wacky about this situation, I would expect if the bearings were loose that you would start it and at some point the pressure would begin to drop as the oil warms up, not all of the sudden the pressure drops from 40 to 0. Poor performance, temperature extremes and a drop in mpg indicate an incorrect oil viscosity. With factory-trained technicians and access to original equipment manufacturer (OEM) parts, The Works package is the best deal around. Sudden drop in discharge. if it fine going from modem to pc then the router went bad from age. I am a college student with kiddos and I could really use some tips on how to get better mpg as right now it is. 8 MPG average on my 2016 tundra DC 5. I have replaced the air filter, the engine is not smoking, and my last oil change was about 5000 miles ago. There is a lot of erroneous information on the internet regarding a drop in miles per gallon after an oil change. Since then, the MPG average has dropped from around 45 MPG to 32 MPG. The drop occurred shortly after we took the car to a dealer for the software related recall fix. 000 km) SUPERIOR PROTECTION FOR CUMMINS ENGINES • Higher efficiency to better protect your engine throughout the entire service interval • Lower cold-start restriction to enhance oil flow to vital engine components at. No, you didn’t read that wrong — you really don’t need to change your oil every 3,000 miles. Many cars will not even have any loss of power or other symptoms when their miles per gallon drop unexpectedly. Gas mileage has dropped drasticaly 9 Answers. i did this oil change about 4000. It is important to address the issue promptly, to prevent damage to the engine and exhaust components. Dipstick was in the middle of add oil red zone, added about 1 quart of oil to get it towards the top of the "normal" zone. Other than seasonal changes, your living environment, work-related stress, and diet, should not be discounted. I am trying to figure out the problem as cheap as possible. We've prepared 20 tips to improve your gas mileage and see some savings into your bank account. Though OPEC tightens its oil production quota, global prices plunge to below $10 per barrel at the end of 1998, down from nearly $20 per barrel in late 1997. Doing an oil consumption test. Avoid excessive idling. More idling. Note, I've used the same station for fillups, and I've had a tune-up, pcv, air filter, and oil changeAfter that I was getting 15-16 city and 24-27. It's different from dementia (like Alzheimer's disease), which. Is that a good trade? drop to 26 percent in 2020, then to 22 percent in 2021, and then to 10 percent after 2022 for. Re: Sudden drop in fuel economy/MPG????? These motors tend to shear the oil down and extended changes are not really recommended. Our 2012 prius gas mileage dropped 8 to 10 miles per gallon after the recall also. would rather do engine strip down. Long oil change interval - been religiously changing the oil every 3k miles or less; using full synthetic since ~65k. Thinner oils help manufacturers get that extra MPG or too they need for the car to make the target or CAFE standard. Brake fluid is usually clear or yellowish in color. Ordinarily, within 15-20 minutes, a normal engine should have built. A sudden return to full production capacity could yield an oil price crash. After a treatment of Stiction Eliminator, your vehicle will have had a complete cleaning on the oil side of your engine, showing improved power and compression, and. Do not drive the truck if the Oil Pressure gauge indicates low oil levels. Proper inflation prevents wear and tear, and it also increases gas mileage. Read Full Entry. Good news is everything looked great and clearly had been well maintained. I first noticed the sudden drop in fuel economy a month ago. Was advised to return at 1,500 miles for check-up. What might cause the drop in oil pressure? It is not unusual to have low engine oil pressure when you start a cold engine. 1987-1991 engines did not have this bypass. I got around 20-21 miles per gallon average speed around 80 to 65 some traffic with stop and go. The world currently has excess crude oil production of roughly 2 million barrels per day, so a cash-strapped, and slightly embittered Iran could have immediate impact on crude oil prices by putting its estimate 35 million barrels of stored oil on the market the day sanctions are lifted. Don't worry about what to do with your used batteries and motor oil. put fuel economy at the top of your list of must-haves. Just kinda not sure what is going on. 22, 2017 Oil changes and replacing the air filter also improve fuel economy. I got the oil changed at the dealer about a month ago. 1 of 5 of stories this month > Get. Finally, while you're breaking in a new car, consider changing over to synthetic motor oil at the time of the first oil and filter change, to maximize engine life and decrease internal wear. 1" Do you mean your average barely changes after an all electric run? If you have "very few,5 miles " miles on the "tank" then yeah you should get a BIG change. If the SI diagnosis isolates low mechanical oil pressure, replace the oil pump, flush the oil cooler lines (if equipped), clean the inside of the oil pan, change the oil and filter, and re-evaluate the concern. 0L Tacoma and he says his manual states that the capacity should be 5. A while ago, it dropped to ca. As each injector is energized, a fuel pressure gauge is observed to monitor the drop in fuel pressure. I now have just passed the 10,000 KM mark and my EVIC is showing 18. Oil Dependence and U. That does not seem to be the case with my car: the oil level seems pretty normal (tangent, though: when I went out to check my oil this morning, I pulled the dipstick and the level was way way high. Sudden drop in Fuel mileage on a 1998 Taurus 7 Answers. I do occasionally experience a "thump" noise/feeling when the vehicle is in reverse after a few feet. sudden drop in gas milage from 2o to 13mpg changed plugs, air filter, & o2 sensor - Cadillac 1991 DeVille question restore and use it at every oil change also. 4% change in fuel economy. If motor oil is not changed, gooey sludge will form in your engine, accelerating wear on all components in your engine which shortens the engine’s life. Helpful, trusted answers from doctors: Dr. We keep your engine running smoothly and preserve fuel economy with full-service oil and filter maintenance services. The gas mileage on the truck has gradually gotten lower (which I attribute to power mods), finally settling around 17. In addition to driving habits, using certairn vehicle accessories and features, such as air conditioning, worsens gas mileage by putting. Change Your Oil Less Frequently. Kaganzi says, "If you use the wrong motor oil viscosity grade in terms of being thicker than recommended. The fuel economy increase is enough to more than offset the extra cost of the higher octane fuel. Why Some 2016 Honda Civic Owners Report Low MPG. Afterwards, it has dropped to about 13. ie detergent is there long after oil change. Sudden, significant drop in MPG after an oil change. No, you didn’t read that wrong — you really don’t need to change your oil every 3,000 miles. No unusual changes in my driving. I was about 15 minutes into a 35 minute drive. Only thing has changes is the weather. Coupon has no cash value. Safety: Low tire pressure leads to more of the tire’s surface area touching the ground, and thus more friction between the tire and the road. What causes this? Can I fix it? I found myself asking these same questions. 72 MPG, Immediately after the oil change the MPG dropped to 17. It takes a good 15 minutes of highway driving for the heater to really start working and the oil temp to get around 160 degrees, and another 15 minutes to stabilize around 200 degrees (at which point the mpg gauge starts climbing up). Sep 8th 2016 at 4:01PM. You smell gas. After producing engines with AFM for a few years - and learning of oil consumption problems - GM developed a partial fix. Tire pressure isn’t to be taken lightly. Misalignment - got an alignment done ~1 year ago after changing outer tie rods. I am trying to figure out the problem as cheap as possible. The fuel economy increase is enough to more than offset the extra cost of the higher octane fuel. 0L ?? '98 Ranger, 3. I also subscribe to Alldatadiy. Poor gas mileage, especially a sudden drop in fuel efficiency, can be blamed on a number of issues. I have 56,000 miles on the car, did my 40k service at 40k, oil changes every 5k miles, new Conti Extreme DWS's, and clean my intake filter regularly and my mileage still sucks. It sucks to know that my buddy has a Yukon that does better on gas, runs on regular octane, and doesnt use a drop of oil between changes. Did the ambient air temp play a role? Who knows. Our 2012 prius gas mileage dropped 8 to 10 miles per gallon after the recall also. A 3% fuel economy improvement on an 08′ F150 with an exhaust system means about a 0. Re: Sudden drop in MPG. For the first 22,000 miles I averaged 20. But if you have only 15,000-20,000MAX on it and it was running on 10w30 best-10w40 the very worst then a step down over a few changes over the 3500/3mths sched will be ok. At cold temperatures and at start up, lower viscosity oil will reduce internal engine friction. This drop happened in the last 2 months and the car drives fine etc. After that the shifts will be abrupt, but this is the process to relearn the new adaptations. These are the key factors that affect the cost of an oil change, and they vary from vehicle to vehicle. Re: Sudden Drop in Gas Mileage 12/06/2010 2:59 PM You would have gotten a much more valid fuel consumption reading if you judge the gallons consumed by the gas pump's reading of how many gallons it takes to refill your tank after driving an odometer measured distance. Engine Flush - Civic8 : Do not believe what you hear. This sudden loss of jobs has an impact on the entire community, including ag industries, since all aspects of a county’s economy are interrelated. While that might not sound like much, consider this: If gas costs $3 a gallon, and your drive this truck 15,000 miles a year, you're saving yourself about $85 a year on gas. After years of experimenting the best course for me has been to use drop-in air filters for reasons including: - They let in more air than the stock filters. 5 - 3 km/L) Replace every 25,000 miles (40. I have a Ford Ranger with a liter engine and a five-speed manual transmission I used to get between and miles to the gallon However in the space of less than a month the mileage has dropped to between and. What causes oil prices to fluctuate? the laws of supply and demand cause oil prices to change. With our Honda HCHII '06, the oil spec is 3. Otherwise a new oil filter with every second oil change is enough (if you can keep track of it), as the oil filters don't really get very dirty using modern detergent oil. This drop happened in the last 2 months and the car drives fine etc. The term physics properties makes it sound inevitable, but "driver behavior is a huge, huge factor in how good your gas mileage is," Ciatti said. Re:car leaks no oil or burns any, and yet i'm missing oil? 2012/09/25 17:48:16 It has about 155, 400 miles and i drive 400 miles a week for school. I've been fairly light footed since this is my first car with a real time mpg display. Sudden drop in MPG I've had my F150 since June and have been getting over 21 mpg on the highway. She still runs like. Check injectors. Updated 7:28 am CDT, Friday, July 12, 2019. New Toyota Camry for Sale in Little Falls, NJ. I had guessed that a new air filter, that the oil changer had installed was at fault. View our Gerald Jones Mazda inventory to find the right vehicle to fit your style and budget!.