2003 GMC Yukon XL 1500 SLT 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
This vehicle came into our shop with a check engine light on, when we checked codes, there were none, howevewr the vehicle was idling poorly, and the battery wwas bad. we replaced the battery and test drove and the code p0300 came up. The vehicle had never bee...
FIX posted 4/12/2007
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Message Closed w/FIX
Vehicle Data2003 GMC Yukon XL 1500 SLT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2003 GMC Yukon XL 1500 SLT
VIN | 3GKFK16Z03 |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |