Question about 1999 Oldsmobile Alero
CODE PO300 MULTIPLE ENGINE MISFIRE DETECTED CONDITIONS. POSSIBLE CAUSES.WEAK FUEL PUMP.STOPPED UP FUEL FILTER.CHECK FUEL PRESSURE SHOULD BE 41 - 47 PSI. THE MASS AIR FLOW SENSOR CONTAMINATED CAUSE VERY LEAN CONDITIONS.EGR VALVE STUCK OPEN OR PVC VALVE HAS VACUUM LEAK. THE EVAP SYSTEM CANISTER FUEL SOAKED.
Posted on Mar 13, 2011
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Posted on Jan 02, 2017
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