
2003 Hummer H2 6.0L Misfire, MIL Lamp on
This Hummer shows code P0300 and is accompanied by a slight misfire at idle. Misfire is constant and, according to MODIS scanner, misfire happens mostly on cylinder #4. We tested compression. All cyls. read roughly 150 psi. We did an injector balance test and ...
FIX posted 2/21/2007
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Message Closed w/FIX
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VIN | 5GRGN23U24 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Hummer H2
VIN | 5GRGN23U24 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |