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2011 GMC Yukon XL 1500 Denali 6.2L Misfire
Strange one. We keep getting a flashing MIL & P0300 CEL, checking misfire data it seems that cyl#5 and #7 are the offending cylinders. During road test, it will very intermittently register a misfire, usually at low speed light loads. Swapped coils/injecto...
FIX posted 5/17/2023
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GKS2MEFXB |
| Engine | 6.2 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Misfire |
Message Closed w/FIX
Vehicle Data
2011 GMC Yukon XL 1500 Denali
| VIN | 1GKS2MEFXB |
| Engine | 6.2 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Misfire |
Video