
2006 Hummer H3 3.5L Poor Idle Quality, Misfire, MIL Lamp on
I am having trouble finding a definitive answer to why this vehicle has a misfire on cyl #2 at an idle. The code I have is for a random misfire but watching it on the modis shows cyl #2 missing all the time at an idle. I swapped the ignition coils, swapped the...
FIX posted 11/10/2012
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Message Closed
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VIN | 5GTDN13636 |
Engine | 3.5 L / 5 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0128 | Cooling System Malfunction |
P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
2006 Hummer H3
VIN | 5GTDN13636 |
Engine | 3.5 L / 5 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0128 | Cooling System Malfunction |
P0300 | Multiple Misfire Detected |