Chrysler Town and Country P0507: Idle Air Control – RPM Higher than Expected

P0507 This is an OBDII common trouble code. This code is usually triggered when engine idle speed exceeds 200 rpm. This code is generic, meaning it can be used for any engine. Chrysler Town and Country As any vehicle else.

P0507 Symptoms

P0507 is not like other OBDII trouble codes. It will usually be visible to you while driving. Below are typical signs and symptoms of P0507.

• The Service Engine is Soon to Be Lighted– The reason why you are here.
• Accelerate Idler Speed– 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. You may feel your whole car shake when you shift into gear using P0507.
• Vehicles take off quicker– With the engine idling higher, people report feeling the vehicle take off when releasing the brake pedal. It can increase the risk of driving.

Chrysler Town and Country, P0507 Causes and 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 Idle Control Valve often isn't the problem.

Below are some common problems that can cause P0507 issues in your Chrysler Town and Country. There are many model year differences. Start by searching for the a Leakage of vacuum From there, you can move on.

Vacuum Leak

The vacuum system can leak, which will cause Town and Country to sit higher. The vacuum system can leak, allowing extra air into the combustion chamber. This allows for slightly higher combustion rates, which increases the RPM and toss the code.

How to find a vehicle vaccum leak (Popular Mechanics, Article)
Find a Vacuum leak in under a minute (2CarPros, YouTube)

Vacuum leaks can be caused by bad things vacuum hoseThe 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 for Idle Air Control

Modern fuel-injected engines come standard with an electronic ignition system. 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

The throttle body can be opened and closed millions of times during the lifetime of a car's engine. 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 Town and Country serviced as soon as possible. We wish you all the best!