Fuel Line Pressure Inspection - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
2. Turn the ignition switch to the ON position.
3. Using the simulation function "FP", start the fuel pump.
4. Verify that there is no fuel leakage from the pressurized parts.
• If there is leakage, replace the fuel hoses and clips.
• If there is damage on the seal on the fuel pipe side, replace the fuel pipe.
Standard
There shall be no leakage after 5 min.
5. After reinstallation, repeat step 2-3 in the fuel leakage inspection.

FUEL LINE PRESSURE INSPECTION

Warning
• Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and
cause serious injury or death and damage. To prevent this, complete the following inspection with
the engine stopped.
1. Follow "BEFORE SERVICE PRECAUTION" before performing any work operations to prevent fuel
from spilling from the fuel system. (See
2. Disconnect the negative battery cable.
3. Disconnect the quick release connector (in the engine compartment). (See
CONNECTOR REMOVAL/INSTALLATION.)
4. Turn the lever of the SST parallel to the hose as shown in the figure.
LF
Z6
Downloaded from
BEFORE SERVICE
https://carmanualshub.com/
PRECAUTION.)
QUICK RELEASE
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B3E011401006W05