P0117 2001 Ford F150 Code - Engine Coolant Temperature Sensor Circuit Low
Quick Answer
The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. Common causes include Low engine coolant level, Faulty engine coolant thermostat, Faulty Engine Coolant Temperature (ECT) Sensor or Cylinder Head Temperature (CHT) Sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0117 2001 Ford F150 indicates Engine Coolant Temperature Sensor Circuit Low.
- Common causes
- Common causes include Low engine coolant level, Faulty engine coolant thermostat, Faulty Engine Coolant Temperature (ECT) Sensor or Cylinder Head Temperature (CHT) Sensor.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0117 2001 Ford F150 Description
What are the Possible Causes of the DTC P0117 2001 Ford F150?
- Low engine coolant level
- Faulty engine coolant thermostat
- Faulty Engine Coolant Temperature (ECT) Sensor or Cylinder Head Temperature (CHT) Sensor
- Engine Coolant Temperature Sensor or Cylinder Head Temperature Sensor harness is open or shorted
- Engine Coolant Temperature Sensor or Cylinder Head Temperature Sensor circuit poor electrical connection
How to Fix the DTC P0117 2001 Ford F150?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0117 2001 Ford F150 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0117 2001 Ford F150 Code
1. What are the common symptoms of OBDII code P0117 in a 2001 Ford F150?
The common symptoms include inaccurate temperature gauge readings, engine overheating, poor fuel efficiency, and potential stalling or rough idling.
2. What causes the OBDII code P0117 to trigger in a 2001 Ford F150?
The code is typically triggered when the Engine Coolant Temperature (ECT) sensor circuit reports a lower-than-normal voltage to the Engine Control Module (ECM), indicating a potential issue with the sensor or its wiring.
3. How can I diagnose the Engine Coolant Temperature Sensor in my 2001 Ford F150?
You can use a multimeter to test the ECT sensor's resistance and voltage, check the wiring for any damage or corrosion, and ensure the sensor is properly connected.
4. What are the possible repair options for resolving the P0117 code in a 2001 Ford F150?
Repair options may include replacing the Engine Coolant Temperature sensor, repairing or replacing damaged wiring, or addressing any underlying issues causing the low circuit voltage.
5. Can a faulty Engine Coolant Temperature Sensor affect the performance of a 2001 Ford F150?
Yes, a faulty ECT sensor can cause inaccurate temperature readings, impacting fuel mixture and ignition timing, potentially leading to poor engine performance and efficiency.
6. Is it safe to continue driving a 2001 Ford F150 with the P0117 code triggered?
It is not recommended to drive the vehicle with the P0117 code triggered, as it can lead to engine overheating, potential damage, and decreased performance.
7. How much does it typically cost to repair the Engine Coolant Temperature Sensor circuit in a 2001 Ford F150?
The cost of repair can vary depending on the extent of the issue, but it generally ranges from $100 to $300, including parts and labor.
8. Can a DIY enthusiast replace the Engine Coolant Temperature Sensor in a 2001 Ford F150?
Yes, replacing the ECT sensor is a relatively straightforward task that can be done by a DIY enthusiast with basic tools and mechanical knowledge.
9. Will resetting the OBDII code P0117 in a 2001 Ford F150 make it go away permanently?
Resetting the code may temporarily clear the warning light, but if the underlying issue causing the low circuit voltage is not addressed, the code is likely to reappear.
10. How can I prevent the OBDII code P0117 from recurring in my 2001 Ford F150?
Regular maintenance, including checking the ECT sensor and its wiring for signs of wear or damage, can help prevent the code from recurring.
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