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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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Message Closed w/FIX
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16 Replies Received
16 Replies Received
Related Documents & Media | 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 |
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 |
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