
2003 Chevrolet Express 3500 6.0L Misfire, Poor Fuel Economy, MIL Lamp on
( NATURAL GAS VEHICLE ) Had a customer tow this vehicle from another shop. The other shop had a multiple misfire problem and had done a tuneup. They had replaced the spark plugs, wires, injectors, coils and fuel rail and they were unsuccessful and ran out of i...
FIX posted 8/7/2009
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Message Closed w/FIX
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VIN | 1GCHG35U23 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Misc. | Natural Gas |
Trouble Codes
P0300 | Multiple Misfire Detected |
P1020 | Camshaft Phasing System Malfunction |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Express 3500
VIN | 1GCHG35U23 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Misc. | Natural Gas |
Trouble Codes
P0300 | Multiple Misfire Detected |
P1020 | Camshaft Phasing System Malfunction |