 
				
	| 1997 Chevrolet K1500 Cheyenne 5.7L Misfire i have a problem child here, this truck has a missfire on cylinders 2 & 6 constantly, seems to be fireing out exhaust at least partially. heres where we started, scan for codes found codes as noted also noted no sync pid on scanner and mass flow flatlined, did... 
                        
                            Summary posted 1/31/2009
                               
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 | Message Closed w/Summary 
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| VIN | 1GCEK19R1V | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / SCFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Always | 
| Misc. | Scfi | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
| P0102 | Mass Airflow Sensor Circuit Low Voltage | 
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | 
| P0300 | Multiple Misfire Detected | 
| P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent | 
| P1345 | Mass Airflow Sensor Loose Contact With Low Frequency | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                1997 Chevrolet K1500 Cheyenne
| VIN | 1GCEK19R1V | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / SCFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Always | 
| Misc. | Scfi | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
| P0102 | Mass Airflow Sensor Circuit Low Voltage | 
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | 
| P0300 | Multiple Misfire Detected | 
| P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent | 
| P1345 | Mass Airflow Sensor Loose Contact With Low Frequency | 
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