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Diagnostic procedure
NO. 27 FUEL REFILL CONCERNS DIAGNOSTIC PROCEDURE
| STEP |
INSPECTION |
ACTION |
| 1 |
VERIFY PCM DTC
|
Yes |
Go to the applicable DTC inspection.
(See DTC TABLE
.) |
| No |
Go to the next step. |
| 2 |
INSPECT EVAPORATIVE SYSTEM HOSES FOR RESTRICTION
- Inspect for restriction in the evaporative system hoses.
- Is there any malfunction?
|
Yes |
Repair or replace the malfunctioning part according to the inspection results. |
| No |
Go to the next step. |
| 3 |
DETERMINE IF MALFUNCTION CAUSE IS NONRETURN VALVE OR OTHER
- Remove the fuel-filler pipe.
- Make sure nonreturn valve is installed properly.
- Inspect the nonreturn valve operation.
- Is there any malfunction?
|
Yes |
Replace the fuel tank.
(See FUEL TANK REMOVAL/INSTALLATION
.) |
| No |
Inspect the following:
- Improper use of fuel nozzle
- Inadequate fuel filling speed
Repair or replace the malfunctioning part according to the inspection results. |
| 4 |
Verify test results.
- If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX .)
- If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
- If the vehicle is repaired, troubleshooting is completed.
- If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest.
|