P0172

P0172 - FUEL TRIM MALFUNCTION (A/F TOO RICH)

DTC DETECTING CONDITION
- Two consecutive driving cycles with fault

Step 1 - 3:

Step 4 - 6:

Step 7:

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

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