P1117
ECT Sensor Intermittent
2000-2003 Ford Excursion 7.3L V8 Power Stroke Diesel 🇩🇪
Low SeverityPowertrain
Description
The Engine Coolant Temperature sensor signal is intermittent or erratic. The PCM detects signal dropouts or fluctuations from the ECT sensor.
Symptoms
- Check Engine Light
- Erratic temperature gauge
- Fan cycling erratically
- Poor fuel economy
Common Causes
- Loose ECT sensor connector
- Corroded wiring
- Faulty ECT sensor
- Damaged connector pins
Diagnostic Steps
- Inspect ECT sensor connector
- Wiggle test wiring while monitoring reading
- Test sensor resistance
- Check wiring continuity
Repair Notes
Repair connector or wiring. Replace ECT sensor if faulty.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1117 on Other Vehicles
Common Questions
What does code P1117 mean on a 2000-2003 Ford Excursion?
P1117 stands for "ECT Sensor Intermittent". The Engine Coolant Temperature sensor signal is intermittent or erratic. The PCM detects signal dropouts or fluctuations from the ECT sensor.
What are the symptoms of P1117 on a Ford Excursion?
Common symptoms of P1117 include: Check Engine Light, Erratic temperature gauge, Fan cycling erratically, Poor fuel economy.
What causes P1117 on a 2000-2003 Ford Excursion?
Common causes of P1117 include: Loose ECT sensor connector, Corroded wiring, Faulty ECT sensor, Damaged connector pins.