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Fuel and Fuel Intake
Mufflers and Tailpipes
Check Engine Light
Isuzu Trooper

Why does the check engine light come on so often on a 2000 trooper?


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Wiki User
October 03, 2008 10:31PM

I don't know about yours, but my 2000 does the same and it it usually because I didn't tighten the gas cap after filling up, and on occasion it did't go out until I changed brand.