1997 Pontiac Grand Prix emission control & multiple cyl

mstreeter · Posted at Sun May 04, 2008 11:18 am

Engine Performance problem
1997 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic 153000 miles
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How do I repair for the code P0300 emiision control system incorrect purge flow and the code P0441 random/mutliple cylinder misfire deteced??

Advertisment · Posted at Sun May 04, 2008 11:18 am

mastertechtim · Posted at Sun May 04, 2008 11:21 am

this is my educated guess. cyl misfire is due to faulty plugs and wires. 440 is caused by a purge solenoid of a vent solinoid.