 
				
	| 2008 GMC Canyon SLE 2.9L Misfire This is given me a headache. Initial complaint is a missfire. Pulled codes showed only a P0300 missfire history showed cyl 3, other cylinders had a few, we are talking less than 10 compared to cyl 3 with hundreds. Replaced the spark plugs and coil in cyl 3... 
                        
                            FIX posted 3/6/2020
                               
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 | Message Closed w/FIX 
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| VIN | 1GTDT19958 | 
| Engine | 2.9 L / 4 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / mpi | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Hot, Under Load, Idle | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0411 | Too Much Or Too Little Pulsed Air Injection | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2008 GMC Canyon SLE
| VIN | 1GTDT19958 | 
| Engine | 2.9 L / 4 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / mpi | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Hot, Under Load, Idle | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0411 | Too Much Or Too Little Pulsed Air Injection | 
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