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POOR GAS MILAGE - 2003 Honda Civic

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Change plugs and wires. and replace air filter. and purchase a can of Sea Foam from autozone pour in 1/2 can into 1/2 tank of gas this will clean up injectors. also check your tire pressures.

Posted on May 06, 2010

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Moved from va. altitude of 900 ft. to colorado. getting poor gas milage. does the dealer have to adjust anything to improve gas milage


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Poor gas milage?


Thinking you are getting poor gas milage,Your engine is running smooth,no misses,Engine runs smooth while accelerating up a hill, Still poor gas milage, Check your tire pressure. I have a 1999 Chevy Blazer 4x4, 4.3 Ltr. Auto, loaded. I have just over 154000 miles on it,I change my fluids every 5000 miles. Summer driving milage got real bad. I drive a Blazer hard. I tow a 16ft trailor usally loaded to the top with wood. Tires get hot in the summer, while in the winter, they stay mostly cool. Always check your air pressure.Most vehicals are equipted with radials now days, So if you think a tire looks low, check it, Usally they low. Usally in the winter months, nobody checks tire pressure. It really does make a difference. I went from 17.2 MPG to 19.5 MPG, while pulling the same trailor loaded with wood. I cut my own wood then stack it in my trailor to sell. I have Good Year Wranglers size: P235/75R/15 I just replace these with new ones. The old ones are going on my trailor. Counted milage on tires are 65000 Miles. Tires were rated at 40000 miles, Under normal use.

on Jan 01, 2010 | Chevrolet Blazer Cars & Trucks

1 Answer

WHY DO I GET SUCH POOR GAS MILAGE ON MY CAR


A vehicle like that won't give a poor gas milage for nothing. The dealer just don't want o deal with you. I own a 2009 Nissan Versa, which is one of the best gas milage car you can get, but right now is spending way too much gas. In my case the problem is the spark plug and the air filter, and it should be good to go. Have it diagnostic. Good luck.

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Poor gas milage in winter only 150 miles to a tank of gas


Air is colder or more dense needs more fuel to make mixture correct. Is the exhaust tight. I know v6 had donut seal problems. would **** air in and 3rd o2 sensor would read lean and ecm adds more fuel. Just a thought

Jan 16, 2010 | 1995 Nissan Pathfinder

1 Answer

Poor gas milage


dual exhaust will have littel to no affect on fuel mileage, what are you getting, 10-12 in town is normal, 15-17 on the hiway, u don't say if 4X4, less for this drive line.

Oct 09, 2009 | 1992 Ford F150 SuperCab

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Poor gas milage 1994 2.5 yj jeep


try changing spark plugs,servicing the fuel system, air filter,ignition system,oil and filter.try doing a compression test to see how the engine is doing

Oct 09, 2009 | 1994 Jeep Wrangler

1 Answer

Poor gas milage


Gas milage will vary, depending on the manner in which you drive, also poor gas milage could be due to poor maintenance. Replace the PCV valve, the oxygen sensors, the fuel filter, plugs and wires, and have the injectors cleaned, switch to synthetic oil should improve the milage. .

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Poor gas milage after changing air filter


i think you might have disconnected some vacuum hoses near and around your air filter.

G

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1 Answer

Poor gas milage


Not sure where you live but if the gas you get has a higher amount of ethanol in it you will get worse gas milage.But there are many reasons that effect gas millage.

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