What Does the Engine Code P0507 Mean?

If your car is showing the P0507 engine code, the idle control system RPM is higher than expected.
Written by Mary Cahill
Reviewed by Melanie Reiff
If your car is showing the P0507 engine code, the idle control system RPM (rotations per minute) is higher than expected. While this code may not result in engine failure, you should get it fixed promptly to avoid engine damage or a failed emissions test. 
Diagnostic trouble codes (DTCs) help you identify a specific problem with your engine. You should never ignore the check engine light when it turns on. Instead, an OBD-II code reader can be used to determine what’s causing the issue and assist in finding the right solution. 
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What does the engine code P0507 mean?

Definition: Idle control system RPM is higher than expected
The P0507 engine code is a signal that your vehicle’s idle control system RPM is higher than the manufacturer’s factory specifications. Proper idle speed reduces tailpipe emissions and prevents the engine from stalling.  

How much will it cost to fix?

The cost of a mechanic diagnosing the code is one hour of labor. Mechanic labor costs vary by region, but you should anticipate a charge of $75 to $150 an hour
A replacement electric throttle control actuator can cost between $95 and $410 depending on the car model, plus labor charges. 

What can cause the P0507 engine code?

Issues with the idle control system’s RPM are often caused by one or more of the following:
  • Dirty throttle body
  • Electric throttle control actuator misadjusted or damaged
  • Faulty electric throttle control actuator 
  • Intake air leak
  • Poor electrical connection to the intake air control (IAC) valve 

Common symptoms of the P0507 engine code

Typically, the first warning that there's a problem with the idle control system RPM is your vehicle’s check engine light turning on. Other symptoms of idle control system RPM issues are:
  • Difficulty starting engine 
  • Stalling engine
  • Rough or erratic idle speed
  • Failed emissions test
  • Decreased fuel efficiency

How serious is the P0507 engine code?

You do not want to put off maintenance for a P0507 code. A high idle RPM can lead to damaging other components of your car’s engine.   
A P04507 engine code will also result in a failed emissions test, so it’s an especially good idea to fix the problem if your state requires regular smog checks. 

Can I fix the P0507 engine code myself?

You may be able to fix the P0507 code yourself, but first, the issue must be diagnosed correctly. The P0507 engine code may require the following repairs:
  • Replacement of the electric throttle control actuator
  • Cleaning or replacement of the throttle body 
  • Sealing engine vacuum leaks
  • Replacement or repair of damaged wiring 
If you’re not sure which parts need fixing, a professional mechanic can perform a diagnostic inspection and make the necessary repairs

What is a P0507 engine code diagnostic inspection? 

The mechanic’s inspection will include:
  • Checking for intake leaks
  • Cleaning the throttle body
  • Adjusting the engine idle
  • Clearing the P0507 engine code
If the P0507 engine code returns after the inspection, you may have to replace the electric throttle control actuator. 

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