P1117 – Ford DTC

Ford DTC P1117 – Engine Coolant Temperature Sensor Intermittent

DTC P1117 meaning on Ford

1. DTC P1117 indicates an intermittent issue with the Engine Coolant Temperature (ECT) sensor on a Ford vehicle.

Ford DTC P1117 symptoms

1. Check Engine Light (CEL) may illuminate on the dashboard.
2. Engine may run rough or have poor performance.
3. Temperature gauge may fluctuate erratically.

Ford DTC P1117 causes

1. Loose or corroded ECT sensor connections.
2. Defective ECT sensor.
3. Wiring issues in the ECT sensor circuit.

Ford DTC P1117 seriousness

1. While the vehicle may still be operable with this issue, it can lead to poor fuel economy and potential engine damage if not addressed.

How to diagnose DTC P1117 on Ford

1. Use an OBD-II scanner to retrieve the trouble code and freeze frame data.
2. Inspect the ECT sensor and its wiring for any visible damage or corrosion.
3. Perform a resistance test on the ECT sensor to check for proper functionality.

How to fix DTC P1117 on Ford

1. Ensure the ECT sensor connections are secure and free of corrosion.
2. Replace the ECT sensor if it is found to be faulty.
3. Repair any damaged wiring in the ECT sensor circuit.

How to erase DTC P1117 on Ford

1. After addressing the root cause of the issue, use an OBD-II scanner to clear the trouble code.
2. Drive the vehicle to allow the system to retest and verify the repair.

Recommended tools for Ford diagnostics

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