How to change the idle air control valve?

Step by step guide on how to replace an automotive idle air control motor valve P0505, P0506 and P0507, though appearances may vary the procedure is similar for most vehicles. Begin with the vehicle on level ground engine off (cold) with the emergency brake set.

Can a bad idle control valve cause stalling?

This is controlled by the engine’s computer. Sometimes parts go bad, which results in your car idling strangely or stalling. Check to see if your idle control valve is functioning properly before attempting to replace it. Look for a high engine idle. A common symptom of a faulty idle control valve can be a high idle.

Can a bad idle air control valve cause a backfire?

When the vehicle backfires, it could be another possible symptom of a bad idle air control valve. However, it is also consequential to know that it could be an indication of a completely different kind of issue.

How to know if your air control valve is bad?

5 Symptoms of a Bad Idle Air Control Valve (and Replacement Cost) 1 Intermittent Idle Speed. 2 Check Engine Warning Light. 3 Rough Idling. 4 Engine Stalling. 5 Load Causes Stalling.

How do you reset your idle air control valve?

Try to clean out the passage way to the idle air control valve at the throttle body. Once the throttle body has been cleaned and the instructions have been followed, you can reset the idle air control valve by turning the ignition keys to the on position for 30 seconds and then turn the keys to the off position then on for 10 seconds and then start.

Can you remove an idle air control valve?

Here’s How To Change an Idle Air Control Valve With the vehicle cooled down in an out-of-the-way spot, pop the hood and locate the idle air control valve. Remove any parts that are in the way of accessing the idle air control valve. Unplug the electrical connector on the idle air control valve. Remove the idle air control valve. Remove the gasket and make sure no gunk is left behind.

How do I clean my idle air control valve?

Spray the unit with choke/carburetor cleaner and use a cleaning rag to remove all carbon buildup from the idle air control valve. Work the spindle back and forth to clean away all deposits found there. Also clean the throttle body while the butterfly valve is exposed.

What are the signs of a bad IAC valve?

The most common symptom of a bad IAC valve is stalling. This typically occurs when the driver releases his foot from the gas.

Why does my idle air control keep stalling?

After the job is complete and the engine has been started, it can take some time before the idle air control can re-calibrate itself, engine stalling, high and low idle are normal until a few run cycles are completed. Occasionally is it necessary to hold the throttle open long enough for the computer to take over control of the valve.

How is the idle speed control motor installed?

Step 20 – Idle air control valve installed job complete, double check all work and clear any codes that have been set, refill any coolant that has been lost. The idle air control motor or idle speed control motor is designed to adjust the air flow into the intake manifold at engine idle.

Is it normal to have low idle air control?

This condition will usually illuminates the check engine or service engine soon light. After the job is complete and the engine has been started, it can take some time before the idle air control can re-calibrate itself, engine stalling, high and low idle are normal until a few run cycles are completed.

Why do I need to replace my idle air control valve?

These valves can also accumulate carbon buildup which causes issues with the valve and surrounding components. Sometimes the valve itself needs to be replaced, while other times cleaning the valve and other involved components around it can improve function and communication between the valve and the computer.

How do you change idle air on a car?

Step 11 – Using a shop towel and carburetor cleaner wipe all gasket surfaces clean to ensure a proper seal. Then, install the new idle air valve to the throttle bore, reinstall and tighten the mounting screws.

Can a faulty idle air control cause a car to stall?

Share it! A faulty idle air control (IAC) valve can cause a number of problems with your vehicle: 1. Incorrect idle speed: An IAC valve that sticks in the closed position will create an idle speed that’s too low. Your RPMs will drop way down the car may feel like it’s about to stall.

How to change the idle air control valve?