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2006 Chevrolet Colorado LT 2.8L Misfire, MIL Lamp on
Posted to GM Driveability on 12/30/2008 12 Replies

This is a rural mail carrier truck. On first visit for PO300 I replaced spark plugs and monitored misfires with Tech 2 on the road, all ok. Next day I found the complaint for misfire is at idle speed. When you go down the road the misfire is not present. Mostl...

12 Replies Received (View Replies)

  Related Documents & Media  2006 Chevrolet Colorado LT

 
Message Closed w/Summary

car Vehicle Data

2006 Chevrolet Colorado LT

VIN 1GCDT14896
Engine2.8 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle
Misc.4X4

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2006 Chevrolet Colorado LT

VIN 1GCDT14896
Engine2.8 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle
Misc.4X4

Trouble Codes

P0300Multiple Misfire Detected