DTC Troubleshooting: P0507
DTC P0507: Idle Control System RPM Higher Than Expected
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
Confirmed DTC
Pending DTC
P0507 Idle Control System RPM Higher Than Expected
    

1.
Problem verification:

Problem verification
?1.
Let the engine cool to the ambient temperature.

?2.
Turn the vehicle to the ON mode.

?3.
Clear the DTC with the HDS.


?4.
Start the engine.

?5.
Let the engine idle without load (in neutral) until the radiator fan comes on, then let it idle.
NOTE: Do not raise the engine speed by pressing the accelerator pedal.

?6.
Monitor the OBD STATUS for DTC P0507 in the DTCs MENU with the HDS.
DTC Description
OBD STATUS
P0507 Idle Control System RPM Higher Than Expected
  

Does the HDS indicate FAILED?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
NO
     
     
     
If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot. If the HDS indicates EXECUTING, keep idling until a result comes on. If the HDS indicates OUT OF CONDITION, recheck with different load conditions (electrical, A/C, gear position, etc.), then go to step 1-5.?
2.
Vacuum leak check:

Vacuum leak check
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Check for vacuum leaks at these parts:
PCV valve
PCV hose
EVAP canister purge valve
Throttle body
Intake air duct
Intake manifold
All parts through the turbocharger to the throttle body

Are there any leaks?

     
YES
     
     
     
Repair or replace the leaking part(s).?
     
NO
     
     
     
Recheck with different load conditions (turn on the headlights, the blower motor, or the A/C, change the gear position, etc.).?