Engine-CodesInfiniti – P2138 2006 Infiniti G35

P2138 2006 Infiniti G35 Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Quick Answer

The P2138 code for a 2006 Infiniti G35 indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Wiring issues in the sensor circuit, Poor connection in the 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
P2138 2006 Infiniti G35 indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty accelerator pedal position sensor, Wiring issues in the sensor circuit, Poor connection in the 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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P2138 2006 Infiniti G35 Description

The P2138 code for a 2006 Infiniti G35 indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance. This sensor is responsible for sending signals to the engine control module (ECM) about the position of the accelerator pedal, which in turn affects the amount of fuel delivered to the engine.

OBDII Code P2138 2006 Infiniti G35 - Accelerator Pedal Position Sensor Circuit Range/Performance
P2138 2006 Infiniti G35 Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Common Causes of P2138 2006 Infiniti G35

  1. Faulty accelerator pedal position sensor
  2. Wiring issues in the sensor circuit
  3. Poor connection in the circuit
  4. ECM malfunction
  5. Corrosion or damage to sensor components

Symptoms of P2138 2006 Infiniti G35

  1. Erratic engine performance
  2. Hesitation during acceleration
  3. Poor fuel efficiency
  4. Limp mode activation
  5. Check Engine Light illuminated

How to Fix P2138 2006 Infiniti G35

  1. Perform a diagnostic scan to confirm the P2138 code and identify the specific cause.
  2. Inspect the accelerator pedal position sensor and its wiring for any damage or corrosion.
  3. Test the sensor's functionality using a multimeter to check for proper voltage signals.
  4. Replace the accelerator pedal position sensor if it is found to be faulty.
  5. Clear the code from the ECM and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2138 2006 Infiniti G35

The typical repair costs for addressing a P2138 code in a 2006 Infiniti G35 can range from $200 to $500, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less for repairs.

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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 P2138 2006 Infiniti G35 Code

1. What are the common symptoms of OBDII code P2138 in a 2006 Infiniti G35?

- Common symptoms include issues with acceleration, reduced engine power, and the vehicle going into "limp mode."

2. What causes the OBDII code P2138 in a 2006 Infiniti G35?

- The code is typically triggered by a malfunction in the accelerator pedal position sensor or the wiring associated with it.

3. How can I diagnose the cause of OBDII code P2138 in my 2006 Infiniti G35?

- Diagnosing the issue involves checking the accelerator pedal position sensor's wiring, connectors, and the sensor itself for any signs of damage or malfunction.

4. Can a faulty throttle body cause OBDII code P2138 in a 2006 Infiniti G35?

- While a faulty throttle body can contribute to issues with acceleration, the primary cause of P2138 is usually related to the accelerator pedal position sensor circuit.

5. What are the repair options for fixing OBDII code P2138 in a 2006 Infiniti G35?

- Repair options may include replacing the accelerator pedal position sensor, repairing or replacing damaged wiring, or addressing any other related issues identified during diagnosis.

6. Is it safe to continue driving with OBDII code P2138 present in a 2006 Infiniti G35?

- It is not recommended to continue driving with this code present, as it can lead to further damage and potentially unsafe driving conditions.

7. Can a DIY enthusiast fix OBDII code P2138 in a 2006 Infiniti G35?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address the issue by following repair guides and proper diagnostic procedures.

8. How much does it typically cost to repair OBDII code P2138 in a 2006 Infiniti G35?

- The cost of repairs can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars when factoring in parts and labor.

9. Will clearing the OBDII code P2138 in a 2006 Infiniti G35 make the issue go away permanently?

- Clearing the code may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to return.

10. Can a mechanic reset the accelerator pedal position sensor without replacing it to fix OBDII code P2138 in a 2006 Infiniti G35?

- In most cases, resetting the sensor without addressing the root cause of the issue is unlikely to permanently resolve the problem associated with P2138.

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