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P1116 Honda Code - Engine Coolant Temperature Sensor Performance Problem

Quick Answer

The P1116 code for Honda vehicles indicates a problem with the Engine Coolant Temperature Sensor (ECT). Common causes include Faulty ECT sensor, Corrosion on sensor connectors, Wiring issues. 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
P1116 Honda indicates Engine Coolant Temperature Sensor Performance Problem.
Common causes
Common causes include Faulty ECT sensor, Corrosion on sensor connectors, Wiring issues.
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 Sep 10, 2024
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Code P1116 Honda Description

The P1116 code for Honda vehicles indicates a problem with the Engine Coolant Temperature Sensor (ECT). This sensor is responsible for monitoring the temperature of the engine coolant and sending this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery, ignition timing, and other parameters to ensure optimal engine performance and efficiency.

OBDII Code P1116 Honda - Engine Coolant Temperature Sensor Performance Problem
P1116 Honda Code - Engine Coolant Temperature Sensor Performance Problem

Common Causes of P1116 Honda

  1. Faulty ECT sensor
  2. Corrosion on sensor connectors
  3. Wiring issues
  4. Coolant leakage affecting sensor readings
  5. ECM software malfunction

Symptoms of P1116 Honda

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

How to Fix P1116 Honda

  1. Begin by locating the ECT sensor in the engine bay.
  2. Inspect the sensor and its wiring for any visible damage or corrosion.
  3. Test the ECT sensor using a multimeter to determine if it is functioning correctly.
  4. If the sensor is faulty, replace it with a new one following manufacturer guidelines.
  5. Clear the error code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1116 Honda

The cost of repairing a P1116 code related to the Engine Coolant Temperature Sensor performance problem can vary depending on the vehicle make and model, as well as the labor rates in your area. On average, the parts for this repair can range from $50 to $100, while the labor cost can be around $100 to $200. Overall, the total repair cost might fall between $150 to $300. It is recommended to consult with a professional mechanic or local auto repair shop for a more accurate estimate based on your specific circumstances.

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Information for Specific Honda Models

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.

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