Asked in
Chevy Suburban
Check Engine Light
Geo Prizm
Subaru Legacy

Why is the check engine light on in my 1990 geo prizm?

Answer

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Wiki User
September 13, 2011 3:34PM

there are hundreds of reasons why your light could come on. go to a shop or maybe a parts store and ask to have codes pulled on your computer the parts stores usually cant do quite as good of a job but they are usually free :) and free is always nice

Or just try to disconect the battery for 30 seconds it worked for me.