2002 GMC Yukon XL 1500 SLE 5.3L Excessive Emissions, Cuts out, Misfire, MIL Lamp on
REALLY PULLING OUT HAIR OUT ! -- ONLY WHEN COLD THIS VEHICLE MISSFIRES BADLY - NEW PLUGS, WIRES, INJECTION CLEANING, CHECKED O2 SENSORS AND SWAPPED SIDE TO SIDE, CHECKED EXHAUST BACKPRESSURE 2.5 MAX, SWAPPED COILS SIDE TO SIDE AND STFT STAYS AT MINUS 13 AND HC...
FIX posted 7/9/2007
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Message Closed w/FIX
Vehicle Data2002 GMC Yukon XL 1500 SLE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2002 GMC Yukon XL 1500 SLE
VIN | 3GKFK16Z72 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SPI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Cuts Out, Misfire, MIL Lamp On |
Occurs | Cold, Under Load |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0336 | CKP Sensor 1 Circuit Intermittent Signal |