
2002 Pontiac Grand Prix SE 3.8L Hesitation, spark knock
vehical came to me will poor accelation and spark knock no codes found in computer, good fuel pressure and flow when in bay if rev engine will hesitate and starts to random misfire engine seems to be running lean but unplugger maf did not make change replace w...
FIX posted 9/13/2006
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Message Closed w/FIX
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VIN | IG2WP52K42 |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Spark Knock |
Occurs | Under Load, on Accel |
Message Closed w/FIX
Vehicle Data
2002 Pontiac Grand Prix SE
VIN | IG2WP52K42 |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, Spark Knock |
Occurs | Under Load, on Accel |