Engine-Codes.com
Engine-Codes – Ford – P0118 1997 Ford F150

P0118 1997 Ford F150 Code - Engine Coolant Temperature Sensor Circuit High

Quick Answer

The P0118 code for a 1997 Ford F150 indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit, specifically that the sensor is reading a high voltage. Common causes include Faulty ECT sensor, Wiring or connector issues in the ECT sensor circuit, Coolant level too low. 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
P0118 1997 Ford F150 indicates Engine Coolant Temperature Sensor Circuit High.
Common causes
Common causes include Faulty ECT sensor, Wiring or connector issues in the ECT sensor circuit, Coolant level too low.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 30, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0118 1997 Ford F150 Description

The P0118 code for a 1997 Ford F150 indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit, specifically that the sensor is reading a high voltage. The ECT sensor is responsible for monitoring the temperature of the engine coolant and sending this information to the engine control module (ECM) to adjust fuel delivery and ignition timing. When the sensor detects a high voltage, it means that the engine coolant temperature is higher than normal, which can lead to issues with engine performance, fuel efficiency, and emissions.

OBDII Code P0118 1997 Ford F150 - Engine Coolant Temperature Sensor Circuit High
P0118 1997 Ford F150 Code - Engine Coolant Temperature Sensor Circuit High

Common Causes of P0118 1997 Ford F150

  1. Faulty ECT sensor
  2. Wiring or connector issues in the ECT sensor circuit
  3. Coolant level too low
  4. Engine coolant temperature too high
  5. ECM malfunction

Symptoms of P0118 1997 Ford F150

  1. Engine overheating
  2. Poor fuel economy
  3. Rough idling or stalling
  4. Check Engine Light illuminated
  5. Difficulty starting the engine

How to Fix P0118 1997 Ford F150

  1. Begin by checking the coolant level and ensuring it is at the correct level.
  2. Inspect the wiring and connectors in the ECT sensor circuit for any damage or corrosion.
  3. Test the ECT sensor using a multimeter to determine if it is functioning properly.
  4. If the sensor is faulty, replace it with a new one.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0118 1997 Ford F150

The cost of repairing a P0118 code on a 1997 Ford F150 can vary depending on the specific cause of the issue. On average, replacing the ECT sensor can cost between $50 and $150, while labor costs can range from $50 to $150. Overall, the total repair cost for this issue could be anywhere from $100 to $300. It's important to note that these are rough estimates and actual costs may differ based on various factors. It is recommended to consult with a local auto repair shop for a more accurate quote.

What does this mean?

Tech Notes for P0118 1997 Ford F150

Start by checking for coolant leaks, and if there are no leaks, the thermostat might be stuck closed and needs replacement. If the problem persists, change the Engine Coolant Temperature (ECT) sensor.

Need more information about the P0118 1997 Ford F150 code?

Need more information on how to fix the P0118 1997 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0118 1997 Ford F150 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0118 1997 Ford F150 Code

1. What are the common symptoms of OBDII code P0118 in a 1997 Ford F150?

The common symptoms of code P0118 in a 1997 Ford F150 include engine overheating, poor fuel economy, rough idling, and an illuminated check engine light.

2. What does the OBDII code P0118 indicate in a 1997 Ford F150?

The OBDII code P0118 in a 1997 Ford F150 indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit reading higher than normal.

3. What are the possible causes of OBDII code P0118 in a 1997 Ford F150?

Possible causes of code P0118 in a 1997 Ford F150 include a faulty ECT sensor, a short or open circuit in the sensor wiring, a malfunctioning thermostat, or a problem with the engine's cooling system.

4. How can I diagnose the OBDII code P0118 in my 1997 Ford F150?

To diagnose code P0118 in a 1997 Ford F150, you can use an OBDII scanner to read the trouble codes, test the ECT sensor's resistance, inspect the sensor wiring for damage, and check the cooling system components for proper functionality.

5. What are the repair options for OBDII code P0118 in a 1997 Ford F150?

Repair options for code P0118 in a 1997 Ford F150 include replacing the faulty ECT sensor, repairing any damaged wiring, replacing the thermostat if necessary, and ensuring proper functioning of the cooling system.

6. Can I drive my 1997 Ford F150 with OBDII code P0118?

It is not recommended to drive your 1997 Ford F150 with OBDII code P0118, as it can lead to engine overheating and potential damage if left unresolved.

7. How urgent is it to address OBDII code P0118 in a 1997 Ford F150?

It is important to address OBDII code P0118 in a 1997 Ford F150 promptly to prevent potential engine damage and ensure optimal performance and fuel efficiency.

8. Will resetting the check engine light resolve OBDII code P0118 in a 1997 Ford F150?

Resetting the check engine light will not resolve OBDII code P0118 in a 1997 Ford F150, as the underlying issue causing the fault code needs to be diagnosed and repaired.

9. How much does it cost to fix OBDII code P0118 in a 1997 Ford F150?

The cost to fix OBDII code P0118 in a 1997 Ford F150 can vary depending on the specific issue causing the fault code, but it typically ranges from $100 to $300 for parts and labor.

10. Can a DIY enthusiast repair OBDII code P0118 in a 1997 Ford F150?

A DIY enthusiast with the necessary tools and knowledge can potentially repair OBDII code P0118 in a 1997 Ford F150 by replacing the ECT sensor, checking the wiring, and ensuring proper cooling system operation.

Discuss the causes and fixes for P0118 1997 Ford F150 OBDII Code

Submit a New Comment

Code P0118 1997 Ford F150 comments

No comments found for this page.