Question about 2002 Toyota Camry

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Check engine light is on, was told to buy a gas cap

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This is a very common problem. but mostly the gas cap just wasn't tightened properly. The check engine light will reset itself if the computer detects the problem has been fixed. This may, however, take many start stop cycles. Many auto parts stores will check your computer for codes at no cost. This will let you know if you are fixing the correct problem

Posted on Aug 31, 2010

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Why check engine light come on mostly after refuiling after a long drive ?


Because your vehicle is a 2008 I feel it shouldn't be anything to pressing but still take some precautions.

What alot of people don't know is sometimes if the gas cap is not put on tight enough a little air might get in or your gas pump might have to work a little harder because it can't get full vacuum pressure with the cap slightly open. these are not major issues.

these are reasons why your check engine light comes on. It happened to my 2005 Buick Rendezvou We had the check engine light on for a week. The car never shuttered, stalled, delayed starts it ran perfectly fine. I took it in to check engine light their computer showed that it was the EVAP system which is the heating and cooling system I would have to get it checked for leaks or do a static check for leaks.

This didn't look good but then one day I had done some work for a friend told him of my problem he told me it could be my gas cap. The next day I asked my wife if the gas cap was working on vehicle it actually was broke I replaced gas cap and the check engine light came off.

Now with this story (which is true) don't assume every problem could be this. But if you are not noticing any stalls, delayed starts, shuttering anything out of the ordinary check the cap at times to make sure it is closed.

If you keep on having light on and replaced cap or made sure was securely on then take and get it checked out.

merry christmas

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Bought locking gas cap and now check engine light comes on.


well i dont think that would have anything to do with the gas cap and is a total coincidence. i would take the truck to advance auto parts or auto zone and have them scan the computer for codes

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