
2004 Chevrolet Avalanche 1500 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
Truck is sort of intermittant but it always adds fuel to bank 1, and around 25% at idle though the pulse width looks the same as the other bank. Will sometimes run very well, next time VERY rough idle. Usually, #1 cyl will miss most, and some for #3, but now w...
FIX posted 1/16/2010
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Message Closed w/FIX
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VIN | 3GNEK12T14 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Cold, Hot |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2004 Chevrolet Avalanche 1500
VIN | 3GNEK12T14 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Cold, Hot |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0300 | Multiple Misfire Detected |