2007 GMC Sierra 1500 SLE 5.3L Backfire
I'm having problems with my own truck. Very occasional backfire when cold. It will only do it for the first minute or two after start-up. It will backfire 1, 2 or 3 times, then be fine for the rest of the day. It sounds like it's backfiring through the int...
FIX posted 6/13/2019
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Vehicle Data2007 GMC Sierra 1500 SLE
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Message Closed w/FIX
Vehicle Data
2007 GMC Sierra 1500 SLE
VIN | 2GTEK13M97 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Backfire |
Occurs | Cold, Intermittently |