Jeep Commander P0507: Idle Air Control – RPM Higher than Expected

P0507 It is quite common OBDII trouble code. This code is usually triggered when engine idle speed exceeds 200 rpm. The generic code means it is the same as the other codes. Jeep Commander Like any other vehicle.

P0507 Symptoms

P0507 is not an OBDII code that will be obvious to drivers. The Commander symptoms are as follows:

• Coming Soon: Service Engine Light– The reason why you are here.
• You can use your Idle speed faster– Assuming that the code has been thrown due to a legitimate issue, you should notice the engine running faster when not pushing the gas.
• Thud Going Into Drive– Transmissions really don’t like to shift from park to drive at an RPM higher than idle. When you put your vehicle into P0507, it is not uncommon to feel the entire car jerk.
• Vehicle takes off faster– With the engine idling higher, people report feeling the vehicle take off when releasing the brake pedal. It can increase the risk of driving.

Jeep Commander P0507 Causes & Diagnosis

There may be many reasons for P0507. While the code specifically mentions the “Idle Air Control System”, it would be a mistake to just go ahead and replace it without a little due diligence. The code is not always caused by the idle air control valve.

Below are the main causes of P0507 issues in Jeep Commander. Be aware that model years can vary. You might start with looking at a Leakage of vacuum From there, you can move on.

Vacuum Leak

Leaking vacuum systems can cause Commanders to idle more. Leakage of the vacuum system allows air into the combustion chamber. This allows for slightly higher combustion rates, increases RPM and throws code.

How do you find a leak in your vehicle's vaccum? (Popular Mechanics, Article)
Find a Vacuum leak in under a minute (2CarPros, YouTube)

Vacuum leaks can be caused by bad things vacuum hoseIt is the Take in a lot, EGR SystemOr anywhere air can flow through. It’s not hard to find a vacuum leak though. Use the resources above and you’ll find it in no time.

Valve to control the idle airflow

The majority of modern fuel injected engine are fitted with an idle air control valve. However, not all are. If you have determined that you don’t have a vacuum leak, the IAC is a great second place to troubleshoot P0507.

How to diagnose an IAC valve (Autozone Guides)

Throttle body

In the course of an automobile's life, its throttle body will open and close millions of time. It can collect dust from all the air passing through it. It can alter the characteristics of your vehicle's idle. When dirty, you’ll often feel the vehicle almost stall before the computer compensates and opens it a little more.

If the throttle body is damaged or not functioning properly, then the code can be thrown.

How to spot signs that your throttle body is going down (Repair Pal)
What to do if your throttle body is dirty or bad? (YouTube auto repair, Youtube).

Conclusion

The P0507 problem is serious. Due to the unsafe nature of driving with an engine that is revving higher than it’s supposed to, we recommend having your Commander serviced as soon as possible. We wish you all the best!