Engine Electrical System

Yes Proceed to next step.
12
Turn off the fuel manometer valve.
Connect the ignition switch again to
re-operate the fuel pump in order to verify
that the fuel pressure can be established.
No Proceed to Step 14
Yes
Replace the pressure
regulator.
13
Turn on the fuel manometer valve and
clamp the fuel return pipe with the fuel
tube clamp to stop the fuel return in order
to verify that the fuel pressure can be
established quickly.
No
Repair or replace the
fuel injector or the fuel
pipe.
Yes
Repair or replace the
fuel inlet pipe. 14
Verify that the fuel inlet pipe has any
leakage or blockage.
No Replace the fuel pump.
Yes
Repair or replace the
fuel return pipe.
15
Verify that the fuel return pipe has any
leakage or bending.
No
Replace the fuel
pressure regulator.
Yes Replace or clean.
16
Verify that the exhaust system and the
3-way catalytic converter have any
blockages.
No Replace the ECU.
E-85
PDF created with pdfFactory Pro trial version www.pdffactory.com