Dodge Ram 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. This code is generic, meaning it can be used for any engine. Dodge Ram Like any other vehicle.

P0507 Symptoms

P0507 is not an OBDII code that will be obvious to drivers. These are some of the symptoms that the Ram may exhibit:

• Coming Soon: Service Engine Light– The reason why you are here.
• Accelerate Idle 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.

Dodge Ram P0507 Causes & Diagnosis

Many possible causes of P0507 exist. 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. Sometimes, the Idle Air Valve is not responsible for the code.

Below are some common problems that can be caused by P0507 on Dodge Ram, along with how you can fix them. Remember that model years can vary. You might start with looking at a Leakage of vacuum You can then move forward.

Vacuum Leak

The Ram will idle faster if the vacuum system is leaking. The vacuum system can leak, allowing extra air into the combustion chamber. This allows for slightly higher combustion rates, increases the RPM, and throws 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 Intake is endless, EGR SystemYou can find it anywhere that air is flowing. 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 Valves (Autozone Guides)

Throttle Body

In the course of an automobile's life, the throttle body will open and close millions of time. The accumulation of dust and air can slow down the body's ability to withstand high levels of pressure. The vehicle's idle performance can be affected by this grime. 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, YouTube Auto Repair

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 Ram serviced as soon as possible. Have fun!