Question about Toyota Corolla
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Posted on Jan 02, 2017
first i would change the fuel filter. this is the number one reason for poor gas milage. the engine tries to compansate for the lack of fuel and in the long run this weakens your fuel pump and it will fail sooner rather than later. i als would check the air filter. if the engine can't breath properly it will lose power. if you have not had a tune up I would suggest getting one. this most certainly help boost the performance of your vehicle. i would try and use an additive in your fuel to clean the injectors clogged injectors will make the engine run rough and cause hard starting and rough idle.. the last thing i would have you check is the throttle positon sensor and the O2 sensor. take it to a shop and have them hook a diagnostic scan tool to it this will show if either of these sensors are bad or if they threw a code and the computer is trying to overcompensate for the lack of fuel. hope these options help you. please rate this solution thanks
Posted on Sep 01, 2008
SOURCE: POOR GAS MILEAGE
Have you changed the fuel filter? I know it sounds weird but a plugged filter will make a truck use more gas. The computer tries to compensate for less fuel by commanding the injectors to open longer. Also a plugged filter will cause excess back pressure on the fuel pump making it loud.. Good Luck.
Posted on May 29, 2009
Take it to Autozone or Oreillys for a free scan. Several parts like a Throttle Position Sensor or Oxygen sensors can greatly affect mileage.
If its not those parts a good solvent cleaner for the injectors can help. The gas you use can be a big factor. I bought some Walmart gas and dropped 1/3 of my normal mileage, vehicle ran like a slug.
Check your brakes for dragging, you could have sticking calipers. Try the usual cures, clean oil, clean air, tires at proper PSI.
Posted on Jan 01, 2010
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