P0519
Idle Air Control System Performance
Generic code
Vehicle Speed and Idle Control System
High severity
Moderate repair
Free on OBD DashX
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What P0519 means
- The fault code P0519 indicates that there is an issue with the performance of the idle air control system. This may cause the engine to idle erratically or stall.
Possible symptoms
- Erratic idle or stalling
- Illuminated check engine light
- Rough idle or stalling
- Reduced engine power or acceleration
Possible causes
- Dirty or clogged throttle body
- Faulty idle air control valve
- Corroded or damaged wiring or connections in the circuit
- Failed engine control module (ECM)
Related parts
- Idle Air Control System: IAC (Idle Air Control) System controls the speed of the engine when it is idling. This car's engine may keep stalling due to problems with the IAC
Possible solutions
- Clean or replace the throttle body
- Replace the idle air control valve
- Check and repair any damaged wiring or connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0519 on OBD DashX
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