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Mazda CX-5 Service & Repair Manual: Fuel Filler Cap Inspection

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Filler Cap Inspection

Leakage Inspection

1. Perform the following tester (evaporative emission system tester (134-01049A)) self-test:

NOTE:

a. Verify that the gas cylinder valve is closed and the control valve located on the tester is in the TEST position. All tester displays should be off at this time.

b. Connect the long hose (part of tester) to the tester.


c. Connect the manifold assembly (part of tester) to the long hose as shown.

d. Open the gas cylinder valve and verify the gas cylinder regulator left gauge reads 69—82 kPa {0.71—0.83 kgf/cm2, 10—12 psi}

(preset at factory).

e. Press the ON/OFF switch to turn on the SST

and make sure the left display reads 0.0

.

f. Turn the control valve on the tester to the FILL position.

g. Verify the left display reading is within 13.9

to 14.0

in of water.

h. Turn the control valve to TEST position and press the START switch.

i. After the 2-min

countdown (left display) is completed, the right display shows the total pressure loss for that period. A 0.5

in of water loss is acceptable on the self-test.

2. Press the RESET switch to set the left display reading to 0.0.

3. Connect the fuel cap receiver assembly (part of tester) to the manifold assembly and fuel-filler cap from the vehicle.


4. Turn the control valve to the FILL position.

5. Wait (maximum 20 s

) until the left display reads 13.9

to 14.0

in of water.

6. Turn the control valve to the TEST position and press the START switch.

7. After the 2-min

countdown (left display) is completed, check the test result (the failed/passed light on the tester).

8. Close the gas cylinder valve.

9. Turn the control valve to the FILL position.

10. Press the ON/OFF switch to turn off the tester.

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Purpose, Function Releases evaporative gas from the fuel tank if there is a malfunction in the evaporative gas passage between the fuel tank and the intake manifold. As a result, deformat ...

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