2000 BMW 535i Repair Question
2000 540I BMW REPAIRS
oxygen sensor before cat heater circuit low. is car acting up in any way? usually check wiring and if good replace sensor.
24 questions asked
A P0051 DTC trouble code may be caused by one or more of the following: A short in the heater circuit in the sensor A failed O2 sensor heater Wiring/connectors broken/frayed leading to sensor and/or relay Failed PCM/ECM
68 questions asked