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Engine-Codes – Nissan – P0117 2004 Nissan Altima Sedan

P0117 2004 Nissan Altima Sedan Code - Engine Coolant Temperature Circuit Low

Quick Answer

The P0117 code for a 2004 Nissan Altima Sedan indicates a problem with the Engine Coolant Temperature (ECT) Circuit being lower than the normal operating range. Common causes include Faulty ECT sensor, Damaged ECT sensor wiring harness, Malfunctioning ECM. 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 2004 Nissan Altima Sedan indicates Engine Coolant Temperature Circuit Low.
Common causes
Common causes include Faulty ECT sensor, Damaged ECT sensor wiring harness, Malfunctioning ECM.
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 15, 2024
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Code P0117 2004 Nissan Altima Sedan Description

The P0117 code for a 2004 Nissan Altima Sedan indicates a problem with the Engine Coolant Temperature (ECT) Circuit being lower than the normal operating range. 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 delivery and ignition timing for optimal engine performance and emissions control.

OBDII Code P0117 2004 Nissan Altima Sedan - Engine Coolant Temperature Circuit Low
P0117 2004 Nissan Altima Sedan Code - Engine Coolant Temperature Circuit Low

Common Causes of P0117 2004 Nissan Altima Sedan

  1. Faulty ECT sensor
  2. Damaged ECT sensor wiring harness
  3. Malfunctioning ECM
  4. Low coolant levels
  5. Air pockets in the cooling system

Symptoms of P0117 2004 Nissan Altima Sedan

  1. Engine running rich
  2. Rough idling or stalling
  3. Difficulty starting the engine
  4. Poor fuel efficiency
  5. Overheating or inadequate heating in the cabin

How to Fix P0117 2004 Nissan Altima Sedan

  1. Begin by checking the coolant level and topping it off if necessary.
  2. Inspect the ECT sensor and its wiring harness for any signs of damage or corrosion. Replace if needed.
  3. Test the ECT sensor using a multimeter to ensure it is functioning correctly.
  4. Check the thermostat for proper operation and replace if necessary.
  5. Clear the diagnostic trouble codes and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0117 2004 Nissan Altima Sedan

The typical repair costs for addressing a P0117 code on a 2004 Nissan Altima Sedan can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.

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 2004 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0117 on a 2004 Nissan Altima Sedan?

The common symptoms of code P0117 include engine overheating, a decrease in fuel efficiency, rough idling, and in some cases, a visible coolant leak.

2. What are the potential causes of OBDII code P0117 on a 2004 Nissan Altima Sedan?

The potential causes of code P0117 include a faulty engine coolant temperature sensor, damaged wiring or connectors related to the sensor, low coolant levels, or a malfunctioning engine control module (ECM).

3. How can I diagnose the cause of OBDII code P0117 on my 2004 Nissan Altima Sedan?

To diagnose code P0117, you can start by checking the coolant level, visually inspecting the wiring and connectors of the coolant temperature sensor, and using a multimeter to test the sensor's resistance. If needed, consult a professional mechanic for a thorough diagnosis.

4. Can I still drive my 2004 Nissan Altima Sedan with OBDII code P0117?

It is not recommended to drive your vehicle with code P0117, as it can lead to engine overheating and potential damage. It is best to address the issue promptly to avoid further complications.

5. How do I repair OBDII code P0117 on my 2004 Nissan Altima Sedan?

The repair for code P0117 typically involves replacing the engine coolant temperature sensor, repairing any damaged wiring or connectors, and ensuring the coolant levels are topped up. In some cases, resetting the ECM may also be necessary.

6. Can a DIY enthusiast fix OBDII code P0117 on a 2004 Nissan Altima Sedan?

If you have the necessary tools and experience working on automotive repairs, you may be able to fix code P0117 yourself by following a repair manual specific to your vehicle. However, if you are unsure or inexperienced, it is best to seek professional help.

7. Will resetting the OBDII code P0117 on my 2004 Nissan Altima Sedan make it go away permanently?

Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing code P0117 is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the root cause of the problem.

8. Is OBDII code P0117 on a 2004 Nissan Altima Sedan a serious issue?

Code P0117 should not be ignored, as it can lead to engine overheating and potential damage if left unresolved. It is important to address the issue promptly to maintain the health and performance of your vehicle.

9. How much does it cost to repair OBDII code P0117 on a 2004 Nissan Altima Sedan?

The cost to repair code P0117 can vary depending on the cause of the issue, the parts needed for replacement, and whether you choose to do the repair yourself or seek professional help. It is recommended to obtain quotes from mechanics in your area for an accurate estimate.

10. Can a faulty thermostat cause OBDII code P0117 on a 2004 Nissan Altima Sedan?

While a faulty thermostat can contribute to engine overheating, it is not a direct cause of code P0117. The code is typically triggered by issues related to the engine coolant temperature sensor or its circuit.

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