Mazda 3 Workshop Manual page 807

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
5. Insert the SST quick release connector into the fuel pipe until a click is heard.
6. Verify that the quick release connector is firmly connected by pulling it by hand.
7. Connect the negative battery cable.
8. Connect the WDS or equivalent to the DLC-2.
9. Turn the ignition switch to the ON position.
10. Using the simulation function "FP", start the fuel pump.
11. Operate the fuel pump for 10 s.
12. Measure the fuel line pressure.
• If not within the specification, inspect the following:
If it less than the specification:
- Fuel pump unit
- Fuel line leakage
If it exceeds the specification:
- Fuel line clogging
Fuel pressure
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