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2009 Chevrolet Colorado WT 3.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 7/18/2012 22 Replies

Scanned for codes and found p0300 randome cylinder misfie and after looking at misfire monitors found cylinder one was the issue,installed new spark plug, no change, switched coil with a good one, no change,have powers and ground,have injector pulse, fuel pres...

22 Replies Received (View Replies)

  Related Documents & Media  2009 Chevrolet Colorado WT

 
Message Closed w/Summary

car Vehicle Data

2009 Chevrolet Colorado WT

VIN 1GCCS19E69
Engine3.7 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursUnder Load, on Accel, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2009 Chevrolet Colorado WT

VIN 1GCCS19E69
Engine3.7 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursUnder Load, on Accel, Idle

Trouble Codes

P0300Multiple Misfire Detected