P02BF – Cylinder 10 – Fuel Trim at Min Limit
| Code | Fault Location | Probable Cause |
|---|---|---|
| P02BF | Cylinder 10 - Fuel Trim at Min Limit (Buy Part On Amazon) | - |
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ECM not receiving signal from Bank1Sensor2 O2 sensor (rearward). Fuel Trimming continuously until limit hit.
Fault in Wiring to rear O2 sensor, repaired damage to wiring underside of car to restore signal.
(2004 Chevrolet Optra)