P1133 Diagnostic Trouble Code Discussion for February 2017
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 2005 Chevrolet Colorado Z85 LS 3.5L MIL Lamp on VIN: 1GCDT13625 P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. Truck comes in presenting front o2 sensor problems. Run trouble tree comes back bad o2 - replace. Scanner watching both o2's test drive, looks good, ship it. Comes back the next week. Same 1133 code. Trouble tree same results, warranty sensor. This time no cha... |
February 24, 2017 |
