What is the problem when a check engine light goes on after a complete tune up and the egr tb and PCV valve has been cleaned?

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95 Astro - Fuel problem M Bodies Car Forums ... PCV Valve Tune up ... The check engine light (service engine soon) ... - Read more

You will not get an engine light for the IAC valve. The PCM has no way of knowing whether ... But now after 3 days, my check engine light is ... complete tune up ... - Read more

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What is the problem when a check engine light goes on after a complete tune up and the egr tb and PCV valve has been cleaned? resources

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my car was doing something similar earlier today. at a stop it was idling low and rough, and when i shifted it would stall. two days ago, i cleaned my k&n filter, and ...

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... and other things in order to "tune up" the operation of the engine, ... usually a Check Engine Light ... (PCV) system. This varnish would plug up the air ...

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The check engine light hasn't been on and I ... Replaced air filter and cleaned TB (the problem hasn't ... The car has been steller up until this point and ...

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... and promptly set off the check engine light, which has ... the normal tune up items (plugs, wires, PCV valve, ... check engine light didn't ...

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Coolant temperature sensor signal indicates a temperature of over 284° F for 4 seconds after the engine had been ... EGR solenoid or valve ... Check Engine light ...

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A trouble code will turn on the Check Engine Light ... vehicle has a problem. To diagnose the fault, a code reader or ... (Check operation of EGR valve) * Leaky PCV ...

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Any of the following could cause or contribute to this kind of stalling problem: * An engine vacuum leak. Check for ... and EGR valve. ... has been contaminated by ...

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