Question about 1996 Toyota Corolla

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My check engine light is on what are some possible reSons

Ok i just need to know the possible reasons for my check engine light being on

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  • Anonymous May 24, 2009

    Go to parts store and have them check code. Mine is running fine, but the code said low coolant, bad thermostat, or Engine Coolant Temp sensor. I fixed all 3 Still lights up. ECT sensor resistance is as advertized and 5 volts gets to the sensor. I think the big Engine Control Module is bad.

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Could be....vehicle speed sensor, oxygen sensor, random misfire (plugs or plug wires) egr valve, etc...etc...without knowing what the code is you are just firing in the dark. If you have an Autozone or a similar store near you they can check the code and in most cases give you a print out of the code and possible causes. Why do you think doctors take x-rays and run medical tests? They have to accurately diagnose the problem before they can fix it.

Posted on Jun 09, 2009

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email me back

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