Diesel Data: Automotive Repair

P1491

DTC P1491 POSITIVE CRANKCASE VENTILATION (BLOW-BY) FUNCTION PROBLEM

DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault

TROUBLE SYMPTOM:
Erroneous idling

CAUTION: After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode.

Wiring Diagram:






Step 1 - 5: