2006 GMC Yukon XL 1500 SLT 5.3L Misfire
This truck has a misfire on no.1 and 8 cyls.. It misses on No. 1 all the time and No. 8 most of the time. This truck has no apparent vacuum leak with carb spray or smoke machine. Misfire starts right after truck is running and does not change with rpm or load....
Summary posted 10/4/2012
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Vehicle Data2006 GMC Yukon XL 1500 SLT
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2006 GMC Yukon XL 1500 SLT
VIN | 3GKFK16Z06 |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / efi |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |