LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 493 (Symptom Troubleshooting [Engine Control System BP, BP With TC)) >> No.28 Fuel Refill Concerns >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
NO.28 FUEL REFILL CONCERNS [BP, BP WITH TC] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1
  • Retrieve DTCs.
  • Are there any DTCs displayed?
 Yes Go to appropriate DTC test.
No Go to the 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 If nonreturn valve installed improperly: 
Reinstall nonreturn valve to proper position.
If nonreturn valve does not operate properly: 
Replace nonreturn valve.
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 PCM.
scientia non olet · About LEMON Manuals