P0118 2002 Nissan Altima Sedan Code - Engine Coolant Temperature Sensor Circuit High
Quick Answer
The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor, Faulty engine coolant thermostat. 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 2002 Nissan Altima Sedan indicates Engine Coolant Temperature Sensor Circuit High.
- Common causes
- Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor, Faulty engine coolant thermostat.
- 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.
Code P0118 2002 Nissan Altima Sedan Description
What are the Possible Causes of the DTC P0118 2002 Nissan Altima Sedan?
- Low engine coolant level
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection
How to Fix the DTC P0118 2002 Nissan Altima Sedan?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0118 2002 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0118 2002 Nissan Altima Sedan Code
1. What are common symptoms of OBDII code P0118 on a 2002 Nissan Altima Sedan?
- Common symptoms include the engine running hotter or colder than usual, poor fuel economy, a check engine light illuminated on the dashboard, and potential issues with the vehicle's heating system.
2. What causes the OBDII code P0118 on a 2002 Nissan Altima Sedan?
- The most common cause of code P0118 is a malfunctioning engine coolant temperature sensor, which may be sending incorrect readings to the engine control module, indicating a high temperature.
3. How can I diagnose the Engine Coolant Temperature Sensor Circuit High issue on my 2002 Nissan Altima Sedan?
- You can diagnose this issue by using an OBDII scanner to retrieve the specific code, checking the engine coolant level and quality, inspecting the coolant temperature sensor and its wiring for any signs of damage, and verifying the sensor's resistance values.
4. Can I drive my 2002 Nissan Altima Sedan with OBDII code P0118?
- It is not recommended to drive the vehicle with code P0118, as it can lead to potential engine overheating, which may cause severe damage. It is best to have the issue diagnosed and repaired promptly.
5. How do I repair the Engine Coolant Temperature Sensor Circuit High problem on my 2002 Nissan Altima Sedan?
- To repair this issue, you may need to replace the faulty engine coolant temperature sensor, ensure proper connection of the sensor's wiring, and clear the OBDII trouble code using a scanner.
6. Are there any DIY tips for fixing OBDII code P0118 on a 2002 Nissan Altima Sedan?
- While replacing the engine coolant temperature sensor is relatively straightforward, it is recommended to consult the vehicle's service manual or seek professional help to ensure proper diagnosis and repair of the issue.
7. Can a faulty thermostat cause OBDII code P0118 on a 2002 Nissan Altima Sedan?
- Yes, a faulty thermostat can potentially cause code P0118 by affecting the engine's temperature readings. It is advisable to inspect and replace the thermostat if necessary during the diagnostic process.
8. Will resetting the OBDII code P0118 on my 2002 Nissan Altima Sedan make the issue go away?
- Resetting the trouble code may temporarily clear the check engine light, but if the underlying issue, such as a faulty sensor or wiring problem, is not addressed, the code is likely to reappear.
9. How much does it typically cost to repair OBDII code P0118 on a 2002 Nissan Altima Sedan?
- The cost of repairing code P0118 can vary depending on the cause of the issue and whether you choose to perform the repair yourself or take the vehicle to a professional mechanic. Costs may include parts and labor expenses.
10. Can a bad engine coolant temperature sensor affect the performance of my 2002 Nissan Altima Sedan?
- Yes, a malfunctioning engine coolant temperature sensor can adversely affect the vehicle's performance by causing incorrect fuel mixture, poor engine timing, and overall reduced efficiency.
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