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2005 Chevrolet Colorado Sport 3.5L MIL Lamp on
This one has us stumped. MIL light comes on when cruising down the highway and sets code P1133 (HO2S Insufficient Switching Bank 1 Sensor 1). Tested and replaced B1S1 O2 Sensor. This included testing for bias voltage and verifying sensor ground circuit, 2 days...
FIX posted 9/6/2011
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Message Closed w/FIX
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7 Replies Received
7 Replies Received
Related Documents & Media | VIN | 1GCDT19695 |
| Engine | 3.5 L / 5 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Cruise |
Trouble Codes
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
Message Closed w/FIX
Vehicle Data
2005 Chevrolet Colorado Sport
| VIN | 1GCDT19695 |
| Engine | 3.5 L / 5 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Cruise |
Trouble Codes
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
Video