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2004 GMC Yukon XL 1500 Denali 6.0L Poor Idle Quality, Cuts out, Misfire
this is beating me bad! customer just bought truck so no prior history, he replaced the plugs, wires and maf with cheepo autozone junk, it ran really poorly and had no power. We found intake leaking and replaced the gasket and we replaced everything he ins...
FIX posted 9/27/2019
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16 Replies Received
16 Replies Received
Related Documents & Media | VIN | 1GKFK66U94 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / random misfire |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Cuts Out, Misfire |
| Occurs | Intermittently |
Trouble Codes
| P0300 | Multiple Misfire Detected |
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Vehicle Data
2004 GMC Yukon XL 1500 Denali
| VIN | 1GKFK66U94 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / random misfire |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Cuts Out, Misfire |
| Occurs | Intermittently |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video