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2008 Chevrolet Silverado 1500 LTZ 5.3L Stumbles at startup
I have cleaned the mass airflow sensor and the throttle body and relearned idle speed. Also when I replaced the spark plugs they were a little blackened like it is running to rich. When I look at the live data the fuel trims look normal. Also the act and e...
FIX posted 5/24/2022
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Related Documents & Media | VIN | 1GCEC19018 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Stumbles at Startup |
| Occurs | Hot, Intermittently, When Starting. |
Message Closed w/FIX
Vehicle Data
2008 Chevrolet Silverado 1500 LTZ
| VIN | 1GCEC19018 |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Stumbles at Startup |
| Occurs | Hot, Intermittently, When Starting. |
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