Diagnostic procedure
FUEL REFILL CONCERNS - DIAGNOSTIC PROCEDURE
| STEP |
INSPECTION |
ACTION |
| 1 |
- Retrieve DTCs.
- Are there any DTCs displayed?
|
Yes |
Go to appropriate DTC test. |
| No |
Go to next step. |
| 2 |
- Remove fuel-filler pipe.
- Make sure nonreturn valve is installed properly.
- Inspect nonreturn valve operation.
- Is nonreturn valve okay?
|
Yes |
Inspect for following:
- Improper use of fuel nozzle
- Inadequate fuel filling speed
|
| No |
Nonreturn valve is installed improperly:
- Reinstall nonreturn valve to proper position.
Nonreturn valve does not operate properly:
|
| 3 |
- Verify test results.
- If okay, return to diagnostic index to service any additional symptoms.
- If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
- If vehicle is repaired, troubleshooting completed.
- If vehicle is not repaired or additional diagnostic information is not available, replace or reprogram PCM.
|