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2009 Pontiac G3 1.6L Misfire
Posted to GM Driveability on 3/3/2023 6 Replies

We have gone round and round on this ecotec. Has a new coil pack and the scope current ramp looks good on all four cylinders. Has new injectors and the scope pattern looks good on all four. Has new plugs and we replaced them with again with NGK this time b...

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  Related Documents & Media  2009 Pontiac G3

 
Message Closed w/FIX

car Vehicle Data

2009 Pontiac G3

VIN KL2TD66E59
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2009 Pontiac G3

VIN KL2TD66E59
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0303Cylinder 3 Misfire Detected