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2009 Chevrolet Colorado WT 3.7L Poor Idle Quality, Stall, Misfire
Posted to GM Driveability on 3/16/2023 9 Replies

This truck died on the road. When it came to the shop it would run on only 3 cylinders. I found good compression but between 25% and 46% leakdown. I pulled the head and sent it out for a valve job. After reinstalling the head, it still misfires but it won'...

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  Related Documents & Media  2009 Chevrolet Colorado WT

 
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Colorado WT

VIN 1GCDT19E49
Engine3.7 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Misfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Colorado WT

VIN 1GCDT19E49
Engine3.7 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Misfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected