
2007 Chevrolet Colorado LS 3.7L MIL Lamp on
Every few weeks the check engine light will illuminate in this vehicle with no driveability complaint. Each time we pull two codes: P0326 Knock Sensor Perf and P0171 Lean O2 Sensor and read 3 freeze frames. Two of the freeze frames are for Code P0171 and were ...
FIX posted 7/22/2010
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Message Closed w/FIX
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VIN | 1GCCS14917 |
Engine | 3.7 L / 5 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0326 | Knock Sensor Noise Channel High Voltage |
Message Closed w/FIX
Vehicle Data
2007 Chevrolet Colorado LS
VIN | 1GCCS14917 |
Engine | 3.7 L / 5 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0326 | Knock Sensor Noise Channel High Voltage |