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2009 GMC Canyon SLT 5.3L Misfire, MIL Lamp on
Posted to GM Driveability on 6/12/2019 8 Replies

Hi all, hope all is going good. I have a different one for you all. Have this vehicle that will misfire only at 4500 RPM and under full throttle. Throws random misfire code but on data shows #8. Fuel trims plus or minus 2 all the time. New plug and wire. S...

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car Vehicle Data

2009 GMC Canyon SLT

VIN 1GTDT13L49
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, on Accel, Intermittently

Trouble Codes

P0300Multiple Misfire Detected
Open Help Request

car Vehicle Data

2009 GMC Canyon SLT

VIN 1GTDT13L49
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, on Accel, Intermittently

Trouble Codes

P0300Multiple Misfire Detected