P1190 – Land Rover DTC

Land Rover DTC P1190 – Oxygen Sensor Heater Type 2 Low Resistance Upstream

DTC P1190 meaning on Land Rover

1. DTC P1190 indicates an issue with the Oxygen Sensor Heater Type 2 Low Resistance Upstream on a Land Rover.

Land Rover DTC P1190 symptoms

1. Check Engine Light (CEL) may illuminate on the dashboard.
2. Reduced fuel efficiency.
3. Poor engine performance.

Land Rover DTC P1190 causes

1. Faulty oxygen sensor heater.
2. Wiring or connector issues related to the oxygen sensor heater.
3. Internal ECM fault.

Land Rover DTC P1190 seriousness

1. If left unresolved, DTC P1190 can lead to increased emissions and potential damage to the catalytic converter.

How to diagnose DTC P1190 on Land Rover

1. Use an OBD-II scanner to retrieve the specific fault code.
2. Inspect the wiring and connectors related to the oxygen sensor heater for any visible damage or corrosion.
3. Test the oxygen sensor heater for proper resistance values.

How to fix DTC P1190 on Land Rover

1. Replace the faulty oxygen sensor heater.
2. Repair or replace any damaged wiring or connectors.
3. If necessary, reprogram or replace the Engine Control Module (ECM).

How to erase DTC P1190 on Land Rover

1. After fixing the underlying issue, use an OBD-II scanner to clear the fault code.
2. Ensure the repair has been successful by monitoring the system for any recurring issues.