Engine-CodesAcura – P1508 Acura

P1508 Acura Code - Idle Air Control Valve Circuit Malfunction

Quick Answer

The P1508 code for Acura vehicles indicates a malfunction in the Idle Air Control (IAC) valve circuit. Common causes include Faulty Idle Air Control Valve, Damaged wiring or connectors in the circuit, Vacuum leak. 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
P1508 Acura indicates Idle Air Control Valve Circuit Malfunction.
Common causes
Common causes include Faulty Idle Air Control Valve, Damaged wiring or connectors in the circuit, Vacuum leak.
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 P1508 Acura Description

The P1508 code for Acura vehicles indicates a malfunction in the Idle Air Control (IAC) valve circuit. The Idle Air Control valve is responsible for controlling the engine's idle speed by regulating the amount of air that enters the engine. When this circuit malfunctions, it can lead to a variety of issues with the vehicle's performance and driveability.

OBDII Code P1508 Acura - Idle Air Control Valve Circuit Malfunction
P1508 Acura Code - Idle Air Control Valve Circuit Malfunction

Common Causes of P1508 Acura

  1. Faulty Idle Air Control Valve
  2. Damaged wiring or connectors in the circuit
  3. Vacuum leak
  4. Issues with the engine's computer system
  5. Dirty or clogged Idle Air Control Valve

Symptoms of P1508 Acura

  1. Erratic idling
  2. Stalling at low speeds
  3. Difficulty starting the engine
  4. Poor acceleration
  5. Rough idling

How to Fix P1508 Acura

  1. Diagnose the issue using a scan tool to verify the P1508 code and identify the specific problem.
  2. Inspect the Idle Air Control Valve and its wiring for any damage or corrosion.
  3. Clean or replace the Idle Air Control Valve if necessary.
  4. Check for vacuum leaks in the system and repair as needed.
  5. Clear the code and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1508 Acura

The typical repair costs for an Idle Air Control Valve circuit malfunction can range from $150 to $500, depending on the extent of the issue and the specific repairs needed. This estimate includes both parts and labor. However, it's important to note that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the type of engine. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate. Keep in mind that labor rates can vary widely, with hourly rates typically ranging between $80 and $150.

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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 P1508 Acura Code

No Frequently Asked Questions about P1508 Acura Code found.

Discuss the causes and fixes for P1508 Acura OBDII Code

  • I have a 2001 Acura integra gsr and having problems. I have changed the iac valve and plug. Checked all electrical wiring and all are working. But it still revels up and down. I still keep getting code p1508. Please help.

    Thanks,
    Hector