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2002 Corolla


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stang
New User

May 12, 2010, 9:05 AM

Post #1 of 3 (1126 views)
2002 Corolla Sign In

2002 Toyota Corolla S 4 Cyl.
Check engine light came on and stays on. Tach indicates 1000 RPM at idle.
Gas cap is on tight. What should I check next?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

May 12, 2010, 10:27 AM

Post #2 of 3 (1124 views)
Re: 2002 Corolla Sign In

Glance around for anything unplugged or looking wrong underhood and then if nothing found go get the codes waiting for you,

T



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 12, 2010, 4:02 PM

Post #3 of 3 (1118 views)
Re: 2002 Corolla Sign In

 The "check engine" light is an indicator for a system that monitors many electronic functions in the system, also called the "malfunction indicator lamp" (MIL). It can come on for any of hundreds of different causes from any of the systems that the computer monitors. Some are very important and can lead to further component or engine damage and some are emissions related not as serious but still a problem and need to be repaired.

Your first step is to have the computer scanned to retrieve the trouble codes that were set when the check engine light came on. Those codes will give you specific information about what the computer saw and will get you pointed in the right direction to find your problem. With a 1996 or newer and some 95 cars and you have an AutoZone or Advanced auto parts in your area, they will read them for free. Once you have these code numbers, we can be a lot more specific about what your problem may be.



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