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If the "service engine" light is on, your computer has "stored a code", meaning that it has detected a fault and is ready to tell you what it knows. The best way to determine what's wrong is to use a code reader, that way you won't be speculating. Check the compter codes by using a code scanner. It will give you a good idea where to look.

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โˆ™ 2006-04-16 22:03:25
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Q: Why did speedometer and odometer quit and Service Engine Light come on at operating temp for an 1988 Chevy Van V-6 3 speed?
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