Mazda 3 manuals

Mazda 3 Service Manual: No.28 Fuel Filling Shut Off Concerns [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Fuel / No.28 Fuel Filling Shut Off Concerns [Mzr 2.0, Mzr 2.5]


28

FUEL FILLING SHUT OFF CONCERNS

DESCRIPTION

  • Fuel does not shut off properly.

POSSIBLE CAUSE

  • PCM DTC is stored

  • Nonreturn valve malfunction

  • Fuel nozzle is not inserted correctly

  • Fuel nozzle malfunction

  • Fuel shut-off valve malfunction

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 injury 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..

CAUTION:

  • Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.


Diagnostic procedure

STEP

INSPECTION

ACTION

1

Perform the PCM DTC inspection using the M-MDS.

(See ON-BOARD DIAGNOSTIC TEST [MZR 2.0, MZR 2.5].)

Are any DTCs present?

Yes

Go to the appropriate DTC inspection.

(See DTC TABLE [MZR 2.0, MZR 2.5].)

No

Go to the next step.

2

Remove the fuel-filler pipe.

Make sure nonreturn valve is installed properly.

Inspect the nonreturn valve operation.

Is there any malfunction?

Yes

Nonreturn valve is installed improperly:

  • Reinstall the nonreturn valve to proper position.

Nonreturn valve does not operate properly:

  • Replace the nonreturn valve.

No

Inspect for the following:

  • Fuel nozzle is not inserted correctly

  • Improper use of fuel nozzle

  • Inspect fuel shut-off valve.

Repair or replace the malfunctioning part according to the inspection result.

3

Verify test results.

  • If normal, return to the diagnostic index to service any additional symptoms.

    (See SYMPTOM DIAGNOSTIC INDEX [MZR 2.0, MZR 2.5].)

  • 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.


No.27 Fuel Refill Concerns [Mzr 2.0, Mzr 2.5]
27 FUEL REFILL CONCERNS DESCRIPTION Fuel tank does not fill smoothly. POSSIBLE CAUSE ...

Quick Release Connector Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage. Fuel can also irritate skin ...

Other materials:

Front Seat Slide Adjuster Removal/Installation
WARNING: Handling the front seats improperly can accidentally deploy the side air bag, which may seriously injure you. Read air bag system service warnings and cautions before handling the front seats.. CAUTION: After removing a front seat, do not operate the slider leve ...

Audio Amplifier Removal/Installation
1. Slide the passenger seat rearward. 2. Remove the cover. 3. Remove the bolt. 4. Detach the clips and set the vehicle wiring harness aside. 5. Slide the passenger seat forward. 6. Disconnect the negative battery cable.. 7. Remove the caps. 8. Remove the nuts. 9. Disconnect t ...

Air Bag Module And Pre Tensioner Seat Belt Disposal Procedures
WARNING: A live (undeployed) air bag module or pre-tensioner seat belt may accidentally operate (deploy) when it is disposed of and cause serious injury. Always refer to the “AIR BAG MODULE AND PRE-TENSIONER SEAT BELT DEPLOYMENT PROCEDURES” and dispose of air bag modules and pre-t ...

© 2016-2018 Copyright www.mazda3tech.com