Question about 1998 Chevrolet Cavalier
I have had this code for the last few months now; cannot seem to fix it!
I have replaced:
What is next on the list i might have missed?
well a P0172 is a rich condition. meaning too much fuel entering the exhaust. a bad wire, plug, stuck open fuel injector, and or a bad fuel pressure regulator could be the problems. Just have to start testing each one.
Posted on Jan 27, 2009
This from another board, spelling mistakes included: ============================================ Replied on January 15, 2010
I read in a troubleshooting tree that you can reset the fuel trims, I just diconnected the battery for a few mins and the problem is cured the light has not come back on for several weeks now. The code scanner just erased the codes but did not reset anything. With the old fuel pump not pumping enough fuel the fuel trims had adusted to compesate for a weak pump, When I put in the new pump the injectors were trying to undercompensate which was sending the the code PO172 system to rich.
This from another board, spelling mistakes included:
Replied on January 15, 2010
Posted on Sep 29, 2011
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Posted on Jan 02, 2017
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