Mufflers and Tailpipes
Chevy Corsica
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Lexus LS

Why does check engine light on 1994 Chevrolet Corsica 3.1 L come on after 10 minutes of highway driving?


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Wiki User
2005-05-29 22:26:30
2005-05-29 22:26:30

Hey Clifton==Takeit to Auto zone and have the codes read free. GoodluckJoe I have had mine tested and there is an error in the computer that gives false readings such as check engine, hot engine, etc. There is a computer chip that needs replacing, but I am told that the exact same number must be on the replacement computer chip. When each system is tested through the computer individually, it will test as ok, or in fine operation, yet the lights will continue to display randomly. This error could not be reset, only a replacement of the computer chip is what my mechanic told me to solve the problem. Until replacement, you will have to watch the fluids, temp, etc. manually (old fashioned way of checking the dipsticks & fluid levels) until this chip is repaired.


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Check engine lights are designed to give a driver warning of a mechanical issue concerning the car. In a 1991 Chevrolet Corsica, if the light comes on while driving after 10 minutes on the highway, it is best to limit driving to prevent further damage. Check the owner manual for reasons the light may be coming on or let a mechanic evaluate the issue.

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About 15 minutes driving down the highway

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That will depend on how fast you are driving. About 1 hr 45 minutes at highway speeds.

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It depends how fast you're driving. If you're driving on the highway, it takes about 2.5 minutes.

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