Call 24/7: 07779 836677 / 07448 457247
⚠️
Engine / Emissions Warning:
P0141 indicates a lambda sensor heater fault or ECU control issue. Ignoring this can increase emissions, reduce performance, and trigger further engine faults.
What Is P0141?
Fault code P0141 is generated by the Bosch MEV17.4 ECU when the oxygen (lambda) sensor heater circuit is malfunctioning or when ECU communication with the sensor is faulty. This affects fuel efficiency, emissions, and engine performance.
Common Causes
- Faulty lambda (oxygen) sensor heater
- Damaged wiring or connectors to the ECU
- ECU internal faults
- Corrosion or moisture ingress
- Excessive exhaust contamination
Symptoms
- Check Engine Light (MIL) illuminated
- P0141 fault code on diagnostics
- Reduced engine performance or misfires
- Higher fuel consumption
- Failed emissions test or warning messages
Our Repair Solutions
We specialise in diagnosing and repairing Bosch MEV17.4 ECU P0141 faults across London. Services include lambda sensor testing and replacement, ECU wiring inspection, and ECU reconditioning — restoring correct engine and emission control function.
Questions About Bosch MEV17.4 ECU Faults?
Our specialists are ready to assist — don’t hesitate to get in touch.
📞 Call 07779 836677