P0519

Tests 1 - 3:

Tests 4 - 6:

SYMPTOM
P0519-IDLE SPEED PERFORMANCE

WHEN MONITORED
With the engine idling and the transmission in drive, if automatic. There must not be a MAP sensor trouble code or a Throttle Position Sensor trouble code.

SET CONDITION
The engine idle is not within 200 rpm above or 100 rpm below the target idle for 40 seconds. Two trip fault.

POSSIBLE CAUSES
- Intermittent condition
- IAC motor passages
- Vacuum leaks
- Air induction system
- Throttle body and throttle linkage