P0172

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

DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault

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

CAUTION: After repair or replacement of faulty parts, conduct CLEAR MEMORY MODE and INSPECTION MODE. Refer to "How to Clear Diagnostic Trouble Codes".

Step 10U1:

Step 10U2:

Step 10U3 (Part 1 Of 2):

Step 10U3 (Part 2 Of 2):

Step 10U4:

Step 10U5:

Step 10U6:

Step 10U7:

PROCEDURES