Vacuum leak (intake gasket, brake booster, PCV). Faulty idle air control valve. Dirty throttle body. Air leak after throttle body. Faulty throttle position sensor.

Which cars are affected by P0507?

P0507 is most commonly reported on Nissan, Honda, Toyota, Ford, Vauxhall vehicles, but can appear on any make.

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P0507

Low severity

Idle Air Control System RPM Higher Than Expected

The engine idle speed is higher than the ECM expects. The idle control system cannot bring the RPM down to the target, indicating an air leak or control fault.

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Common causes of P0507

1Vacuum leak (intake gasket, brake booster, PCV)

2Faulty idle air control valve

3Dirty throttle body

+2 more causes

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Commonly affected vehicles

NissanHondaToyotaFordVauxhall

P0507 can appear on any vehicle — these are the makes where it is most frequently reported.

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Related fault codes

P0171Medium

System Too Lean (Bank 1)

P0300High

Random/Multiple Cylinder Misfire Detected

P0420Medium

Catalyst System Efficiency Below Threshold (Bank 1)

P0172Medium

System Too Rich (Bank 1)