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2009 Chevrolet Trailblazer LT 4.2L Misfire, MIL Lamp on
Posted to GM Driveability on 8/3/2011 9 Replies

vehicle presents with MIL illuminated, P0300 stored in [...] misfire monitor, cylinder #3 is racking up misfires in history. swapped coil with cyl. 2, misfire did not move with coil. Swapped spark plug with cylinder #2, misfire still present on cylinder #3. Id...

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  Related Documents & Media  2009 Chevrolet Trailblazer LT

 
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Trailblazer LT

VIN 1GNDT33S69
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Trailblazer LT

VIN 1GNDT33S69
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected