P0507

Test 1 - Test 2:

Test 3 - Test 5:

SYMPTOM
P0507-IDLE SPEED PERFORMANCE HIGHER THAN EXPECTED

WHEN MONITORED
With the engine running at idle, MAF <250 mg/tdc, air temp >-17.8° C (0° F) and <-7° C (19.4° F) enable after coolant temp >70° C (158° F) or air temp >-7° C (19.4° F), coolant temp >-7° C (19.4° F) <130° C (266° F), canister purge <100% duty cycle, and no VSS, MAF/MAP, ECT, TPS, ETC, CRK Sensor DTCs nor any fuel system or injector DTCs.

SET CONDITION
Engine speed is 200 RPM or more above idle speed for 7 seconds. Two Trip Fault. Three good trips to turn off the MIL.

POSSIBLE CAUSES
- Good trip equal to zero
- Air induction system
- Vacuum leaks
- IAC operation
- PCM