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P0117 2008 Nissan Pathfinder Code - Engine Coolant Temperature Circuit Low

Quick Answer

The P0117 code for a 2008 Nissan Pathfinder indicates a problem with the Engine Coolant Temperature (ECT) Circuit being too low. Common causes include Faulty ECT sensor, Damaged ECT sensor wiring harness, Corroded or loose connection in the ECT circuit. 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 2008 Nissan Pathfinder indicates Engine Coolant Temperature Circuit Low.
Common causes
Common causes include Faulty ECT sensor, Damaged ECT sensor wiring harness, Corroded or loose connection in the ECT circuit.
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 17, 2024
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Code P0117 2008 Nissan Pathfinder Description

The P0117 code for a 2008 Nissan Pathfinder indicates a problem with the Engine Coolant Temperature (ECT) Circuit being too low. This means that the Engine Control Module (ECM) has detected a voltage signal from the ECT sensor that is lower than the expected range. The ECT sensor is responsible for monitoring the temperature of the engine coolant and sending this information to the ECM, which then uses it to adjust fuel delivery and ignition timing for optimal engine performance. When the ECT circuit is reading too low, it can lead to various issues with the vehicle's performance and efficiency.

OBDII Code P0117 2008 Nissan Pathfinder - Engine Coolant Temperature Circuit Low
P0117 2008 Nissan Pathfinder Code - Engine Coolant Temperature Circuit Low

Common Causes of P0117 2008 Nissan Pathfinder

  1. Faulty ECT sensor
  2. Damaged ECT sensor wiring harness
  3. Corroded or loose connection in the ECT circuit
  4. ECM malfunction
  5. Coolant leak affecting ECT sensor readings

Symptoms of P0117 2008 Nissan Pathfinder

  1. Engine running rich
  2. Difficulty starting the engine
  3. Rough idle
  4. Poor acceleration
  5. Check Engine Light illuminated

How to Fix P0117 2008 Nissan Pathfinder

  1. Begin by checking the ECT sensor and its wiring harness for any visible damage or corrosion.
  2. Test the ECT sensor using a multimeter to ensure it is functioning within the specified range.
  3. Inspect the connections in the ECT circuit for any loose or corroded terminals, and repair or replace as needed.
  4. Clear the diagnostic trouble codes from the ECM and reset the system to see if the issue persists.
  5. If the problem persists, consider replacing the ECT sensor or consulting a professional mechanic for further diagnosis and repair.

Cost to Fix P0117 2008 Nissan Pathfinder

The typical repair costs for addressing a P0117 code on a 2008 Nissan Pathfinder can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also impact the overall repair costs. It is advisable to consult with a local auto repair shop for a more accurate estimate based on your specific circumstances.

What does this mean?

Tech Notes for P0117 2008 Nissan Pathfinder

If the coolant level is low, add coolant and reset the code. If the car is overheating the thermostat may have to be replaced. If the problem continues the engine coolant temperature (ECT) sensor.

When is the Code Detected?

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

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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 2008 Nissan Pathfinder Code

1. What does OBDII code P0117 on a 2008 Nissan Pathfinder mean?

The code P0117 indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit reading lower than normal.

2. What are the common symptoms of OBDII code P0117 on a 2008 Nissan Pathfinder?

Common symptoms include a decrease in fuel economy, engine overheating, rough idling, and a possible decrease in engine performance.

3. What are the possible causes of OBDII code P0117 on a 2008 Nissan Pathfinder?

Possible causes include a faulty ECT sensor, damaged wiring or connectors in the ECT circuit, low coolant levels, or a malfunctioning engine control module (ECM).

4. How can I diagnose the issue causing OBDII code P0117 on my 2008 Nissan Pathfinder?

Diagnose the issue by checking the ECT sensor and its wiring for any visible damage, testing the sensor's resistance, inspecting coolant levels, and scanning the ECM for any related trouble codes.

5. How do I repair OBDII code P0117 on a 2008 Nissan Pathfinder?

Repair options include replacing the ECT sensor, repairing damaged wiring or connectors, ensuring proper coolant levels, and resetting the ECM after the issue has been addressed.

6. Can OBDII code P0117 on a 2008 Nissan Pathfinder cause engine damage?

While the code itself may not cause immediate engine damage, ignoring the underlying issue could lead to potential problems like overheating, which can ultimately damage the engine if not addressed promptly.

7. Is it safe to drive my 2008 Nissan Pathfinder with OBDII code P0117?

It is not recommended to drive your vehicle with code P0117, as it can lead to issues like engine overheating or poor performance. It's best to address the problem as soon as possible.

8. Can a DIY enthusiast fix OBDII code P0117 on a 2008 Nissan Pathfinder?

Depending on the root cause, a DIY enthusiast with knowledge of automotive repairs may be able to address code P0117 by replacing the ECT sensor or checking for damaged wiring. However, complex issues may require professional help.

9. How much does it cost to repair OBDII code P0117 on a 2008 Nissan Pathfinder?

The cost of repairing code P0117 can vary based on the specific issue causing the code. Replacing the ECT sensor or repairing wiring may range from $50 to $200, while addressing ECM issues could increase the cost.

10. Will resetting the OBDII code P0117 on a 2008 Nissan Pathfinder make the issue go away?

Resetting the code without fixing the underlying problem will not resolve the issue permanently. It's crucial to diagnose and repair the root cause of code P0117 to prevent it from reoccurring.

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