P0506 MAZDA code

P0506 code definition P0505 OBD-II Trouble Code: IAC (Idle Air Control) System Malfunction.

What does trouble code P0506 mean?

Fault Code Definition



Code P0506 sets when the idle speed is persistently below a pre-determned RPM level for a specified amount of time. Driving with this trouble code is not recommended. A vehicle with this code should be taken in to a repair shop for diagnosis.

Can I drive with a failing idle air control valve?

Technically, you may be able to drive with a bad IAC—but you should not continue doing so. A bad IAC can potentially lead to stalling, which can compromise vehicle safety. Plus, you won’t pass a state emissions test if the check engine light is on due to a bad IAC.

How do I fix error code P0506?

What repairs can fix the P0506 code?

  1. Replacing idle air control motor.
  2. Repairing any vacuum leaks.
  3. Replacing idle air control valve.
  4. Cleaning dirty throttle body.
  5. Replacing defective throttle body.
  6. Clearing blockage in the air intake or exhaust.
  7. Replacing a defective PCV valve.
  8. Replacing the power steering pressure switch.

How do I fix idle control system malfunction?

What repairs can fix the P0505 code?

  1. Replacing the IAC valve and cleaning the throttle body and passages.
  2. Removing carbon from throttle body and IAC passages and clean IAC.
  3. Repairing a vacuum leak in the engine intake manifold vacuum system or gaskets.
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How much does it cost to fix an idle air control valve?

The replacement cost of an idle control valve is anywhere from $120 to $500. The cost of the parts alone will be between $70 and $400+, depending on the make and model of your vehicle. The labor cost should only be around $50 to $100 because it doesn’t take that long to remove and replace the old idle control valve.

How do I reset my idle air control valve?

You can reset the idle air control (IAC) valve by turning the car on, putting the car into park, pressing the brake down, then pushing the gas pedal down, counting down about 5 seconds, turning the car off, waiting 10 seconds and start the car again, checking to see if the car is idling properly.

How do I test my idle air control?


Zitat von Youtube: How far that pintle is out and then put it back in start. The car up wait for it to get warm and idle smoothly. And then do the same thing unplug it while idling.

What does an idle speed control valve do?

The idle speed control mode is used to prevent engine stall during idle. The goal is to allow the engine to idle at as low an RPM as possible yet keep the engine from running rough and stalling when power-consuming accessories, such as air-conditioning compressors and alternators, turn on.

What causes code P0507?

The P0507 code is triggered when the Engine Control Module (ECM) detects that the engine is idling higher than the specified idle RPM range. The standard engine idle is usually between 600-800 RPM depending on the model of the vehicle.

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What is the function of IAC valve?

The idle air control (IAC) valve is located on the throttle body of fuel-injected engines, where it works with the vehicle’s ECU to electrically regulate airflow to the engine to ensure smooth idling.