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1999 GMC Yukon Denali 5.7L MIL Lamp on
hi group, this vehicle will set a p0300 random misfire only when towing a trailer, all data appears normal, scoped and checked all looks good on scope. fuel pressure 60 psi, did flow test on injectors all even, compression on all cylinders is running around 14...
FIX posted 4/18/2003
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GKEK13R3X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 GMC Yukon Denali
| VIN | 1GKEK13R3X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video