P0507 is a Diagnostic Trouble Code defined as “Idle Control System RPM Higher Than Expected.”
The Idle Air Control System is a part of your vehicle’s electronic throttle body assembly. It comprises the idle air control valve that, along with the Powertrain Control Module (PCM), determines the amount of air the engine needs to run at an optimal level.
The Idle Air Control System also ensures that your engine runs at optimal idle speed while the vehicle is not moving. Usually, the idle speed or RPM range falls between 600 to 800 RPMs for most vehicles. However, it can still vary depending on the make and model.
When your vehicle’s PCM or Engine Control Module detects that the engine’s idling at a higher RPM than the target idle speed, it sets the P0507 code and activates the Check Engine Light.
Usually, this idle control system code is activated on cars with electronic throttle control — where the accelerator pedal is connected electronically to the throttle, instead of a traditional throttle cable.
The signs of the P0507 DTC trouble code are pretty easy to spot, even for an inexperienced vehicle owner.
Some of the common symptoms of P0507 include:
You can continue to drive with the P0507 code for a short duration as it won’t immediately affect your engine’s health.
However, you may experience some drivability issues, like engine stalling or difficulty starting, but your engine won’t die.
That said, you should ideally get the trouble code fixed soon. Long-term driving with an active DTC P0507 could lead to excessive fuel consumption. The high idle speed can also damage your engine components.
One of the most common reasons that set off the P0507 DTC error code is not a faulty idle air control system but an engine vacuum leak.
A vacuum leak will trigger this trouble code and activate the Check Engine Light even if the idle air control valve is closed.
Here are some of the other probable causes for code P0507:
Whether you own a Honda Motor Company vehicle or a Hyundai car, several reasons could cause your powertrain control module to register code P0507 and activate the check engine light.
Here’s how a mechanic will diagnose the root cause of this trouble code:
Anything from an intake vacuum leak to a faulty electric throttle control actuator can activate the P0507 code. So, a proper diagnosis by a certified technician is essential.
Fixing this P0507 usually begins with an hour of diagnostic time that could cost you $75-$150.
Based on that, the mechanic will give you an estimate of the required repair or part replacement.
Here are some of the possible repair and replacement cost estimates for code P0507:
Note: The average cost estimates mentioned above are inclusive of labor charges.
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