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Interesting O2 activity
This van had an O2 intermittently pinned at 1010 mv, it was also showing that voltage with the sensor unplugged. Lucky me, the condition went away sometime between checking the wiring harness and disconnecting the PCM. We installed a new sensor and the conditi... Login to read more. ![]()
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| Engine | 4.8 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2005 Chevrolet Express 2500 4.8L
| Engine | 4.8 L |
| Trans | 4-speed Automatic (Electronic) |

2 Replies Received
2 Replies Received