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2003 Pontiac Grand Am SE 3.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire
Posted to GM Driveability on 10/4/2012 21 Replies

This fine ride came in with a check engine light, running rough, and stalling. It had a P0300 stored. Data showed missfire counts current to be in the low hundereds on cyl. #3. History misfire on #3 were in the thousands. First thing I did was verify the custo...

21 Replies Received (View Replies)

  Related Documents & Media  2003 Pontiac Grand Am SE

 
Message Closed w/Summary

car Vehicle Data

2003 Pontiac Grand Am SE

VIN 1G2NF52E63
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MULTIPORT FUEL INJECTION
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire
OccursAlways, Cold, Hot, Under Load, on Accel, Cruise, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2003 Pontiac Grand Am SE

VIN 1G2NF52E63
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MULTIPORT FUEL INJECTION
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire
OccursAlways, Cold, Hot, Under Load, on Accel, Cruise, Idle

Trouble Codes

P0300Multiple Misfire Detected