
2004 Chevrolet Express 2500 4.8L Misfire
Hello fellow techs. I need some suggestions on this van, custs complaint light blinks after driving on highway for a while. sure enough drive @ highway speeds usually 70 mph check engine light blinks. whats odd is you can't feel mis. check codes p0300 random m...
FIX posted 1/2/2013
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Message Closed w/FIX
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VIN | [No VIN Available] |
Engine | 4.8 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cruise, Highway Speeds |
Trouble Codes
P0122 | Throttle Position Sensor Circuit Low Voltage |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2004 Chevrolet Express 2500
VIN | [No VIN Available] |
Engine | 4.8 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cruise, Highway Speeds |
Trouble Codes
P0122 | Throttle Position Sensor Circuit Low Voltage |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |