P0172

DTC P0172 SYSTEM TOO RICH (BANK 1)

DTC DETECTING CONDITION:
- Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:
- Erroneous idling
- Engine stalls.
- Poor driving performance

CAUTION: After repairing or replacing the defective part, perform the Clear Memory Mode and Inspection Mode.

Step 1-4:

Step 5-6:

Step 7: