 
				
	| 1997 Chevrolet Express 1500 4.3L No Start, Hesitation, MIL Lamp on It also had a code p0420 cat eff. It had this pile of codes in it so i cleared and po340 keeps returning i think i should get that problem [...] said doesn't start sometime.I put a new delphi pump in at his request back in [...] course it has started every tim... 
                        
                            FIX posted 4/26/2010
                               
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 | Message Closed w/FIX 
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| VIN | 1GCFG15W5V | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | No Start, Hesitation, MIL Lamp On | 
| Occurs | Not Applicable | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
| P0102 | Mass Airflow Sensor Circuit Low Voltage | 
| P0143 | Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Voltage | 
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0300 | Multiple Misfire Detected | 
| P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1997 Chevrolet Express 1500
| VIN | 1GCFG15W5V | 
| Engine | 4.3 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | No Start, Hesitation, MIL Lamp On | 
| Occurs | Not Applicable | 
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance | 
| P0102 | Mass Airflow Sensor Circuit Low Voltage | 
| P0143 | Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Voltage | 
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0300 | Multiple Misfire Detected | 
| P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent | 
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