NO.27 FUEL REFILL CONCERNS [AJ]

BME010300103232

27

Fuel refill concerns

DESCRIPTION

• Fuel tank does not fill smoothly.

POSSIBLE CAUSE

• Clogged EVAP pipes
• Nonreturn valve malfunction
• Improper use of fuel nozzle
• Inadequate fuel filling speed
Warning
• The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:
- Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
- Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE SERVICE PRECAUTION" and "AFTER SERVICE PRECAUTION" described in this manual.
(See BEFORE SERVICE PRECAUTION [AJ].)
(See AFTER SERVICE PRECAUTION [AJ].)

Diagnostic procedure

STEP

INSPECTION

ACTION

1
• Retrieve DTCs.
• Are there any DTCs displayed?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
2
• Remove the fuel-filler pipe.
• Make sure that the nonreturn valve is installed properly.
• Inspect the nonreturn valve operation.
• Is the nonreturn valve normal?
Yes
Inspect for the following:
• Improper use of fuel nozzle
• Inadequate fuel filling speed
No
Nonreturn valve is installed improperly:
• Reinstall the nonreturn valve to proper position.
Nonreturn valve does not operate properly:
• Replace the nonreturn valve.
3
• Verify test results.
- If normal, return to diagnostic index to service any additional symptoms.
- If malfunction remains, inspect related Service 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 the PCM.