Engine-Codes.com
Engine-Codes – Honda – P0117 1998 Honda Civic

P0117 1998 Honda Civic Code - Engine Coolant Temperature Sensor 1 Circuit Low Voltage

Quick Answer

The P0117 code for a 1998 Honda Civic indicates a problem with the Engine Coolant Temperature (ECT) Sensor 1 Circuit Low Voltage. Common causes include Faulty ECT sensor, Corroded or damaged wiring/connectors, Coolant level is 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
P0117 1998 Honda Civic indicates Engine Coolant Temperature Sensor 1 Circuit Low Voltage.
Common causes
Common causes include Faulty ECT sensor, Corroded or damaged wiring/connectors, Coolant level is 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 25, 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 P0117 1998 Honda Civic Description

The P0117 code for a 1998 Honda Civic indicates a problem with the Engine Coolant Temperature (ECT) Sensor 1 Circuit Low Voltage. The ECT sensor is responsible for measuring the temperature of the engine coolant and sending this information to the engine control module (ECM). The ECM uses this data to adjust fuel injection, ignition timing, and other engine functions to ensure optimal performance and fuel efficiency.

OBDII Code P0117 1998 Honda Civic - Engine Coolant Temperature Sensor 1 Circuit Low Voltage
P0117 1998 Honda Civic Code - Engine Coolant Temperature Sensor 1 Circuit Low Voltage

Common Causes of P0117 1998 Honda Civic

  1. Faulty ECT sensor
  2. Corroded or damaged wiring/connectors
  3. Coolant level is too low
  4. Coolant temperature gauge malfunction
  5. ECM software issue

Symptoms of P0117 1998 Honda Civic

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

How to Fix P0117 1998 Honda Civic

  1. Perform a visual inspection of the ECT sensor and wiring for any visible damage.
  2. Test the ECT sensor using a multimeter to check for proper voltage readings.
  3. Replace the ECT sensor if it is found to be faulty.
  4. Check and refill coolant if the level is low.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue is resolved.

Cost to Fix P0117 1998 Honda Civic

The cost of repairing a P0117 code on a 1998 Honda Civic can vary depending on the specific cause of the issue. Generally, the cost of a new ECT sensor ranges from $20 to $50, while labor costs can range from $100 to $200. Overall, the total repair cost can be estimated to be around $120 to $250. However, it is important to note that labor rates and parts prices can vary based on location and the specific auto repair shop.

What does this mean?

Tech Notes for P0117 1998 Honda Civic

First check to see if there are any coolant leaks and if the thermostat is opening, if problem is still there replace the coolant temperature sensor.

When is the Code Detected?

An excessively low voltage from the sensor is sent to ECM.

Need more information about the P0117 1998 Honda Civic code?

Need more information on how to fix the P0117 1998 Honda Civic code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0117 1998 Honda Civic 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 P0117 1998 Honda Civic Code

1. What are the common symptoms of OBDII code P0117 on a 1998 Honda Civic?

The common symptoms of code P0117 on a 1998 Honda Civic include poor fuel economy, rough idling, engine stalling, and issues with the vehicle's heating system.

2. What does the OBDII code P0117 on a 1998 Honda Civic indicate?

Code P0117 indicates a problem with the Engine Coolant Temperature (ECT) Sensor 1 Circuit, specifically low voltage being detected.

3. What are the possible causes of OBDII code P0117 on a 1998 Honda Civic?

Potential causes of code P0117 on a 1998 Honda Civic include a faulty ECT sensor, a damaged sensor connector or wiring, low coolant levels, or issues with the engine's cooling system.

4. How can I diagnose the cause of OBDII code P0117 on my 1998 Honda Civic?

To diagnose code P0117, you can use a multimeter to test the ECT sensor's resistance, check the sensor's wiring for any damage, inspect the coolant level, and scan for any other related trouble codes.

5. Can a faulty Engine Coolant Temperature Sensor cause code P0117 on a 1998 Honda Civic?

Yes, a faulty Engine Coolant Temperature Sensor is a common cause of code P0117 on a 1998 Honda Civic. If the sensor is not functioning properly, it may send incorrect voltage readings to the vehicle's ECM.

6. How do I repair OBDII code P0117 on my 1998 Honda Civic?

To repair code P0117, you may need to replace the Engine Coolant Temperature Sensor, repair any damaged wiring or connectors, top up the coolant levels, and clear the trouble codes from the vehicle's computer.

7. Is it safe to continue driving my 1998 Honda Civic with OBDII code P0117?

It is not recommended to drive your 1998 Honda Civic with an unresolved P0117 code, as it can lead to poor engine performance, reduced fuel efficiency, and potential overheating issues. Address the problem promptly to prevent further damage.

8. Can a DIY enthusiast fix OBDII code P0117 on a 1998 Honda Civic?

Depending on your skill level and access to tools, DIY enthusiasts can often diagnose and repair code P0117 on a 1998 Honda Civic. However, if you're unsure or uncomfortable with the task, it's best to seek professional help.

9. Will resetting the trouble codes clear OBDII code P0117 on my 1998 Honda Civic?

Resetting the trouble codes may temporarily clear the P0117 code, but if the underlying issue is not addressed, the code is likely to reappear. It's crucial to diagnose and fix the root cause of the problem.

10. How important is the Engine Coolant Temperature Sensor for the overall performance of a 1998 Honda Civic?

The Engine Coolant Temperature Sensor plays a critical role in the proper functioning of a 1998 Honda Civic's engine, as it helps regulate fuel mixture, ignition timing, and overall engine performance. Resolving issues with this sensor is essential for optimal vehicle operation.

Discuss the causes and fixes for P0117 1998 Honda Civic OBDII Code

Submit a New Comment

Code P0117 1998 Honda Civic comments

No comments found for this page.