Shadow Convertible L4-135 2.2L SOHC (1991)
Fuel System Views
3.
Using the appropriate tester (DRB II) or equivalent scanner, place ignition switch in "RUN" position and use Actuate Output Test "Auto
Shutdown (ASD) Relay", to activate fuel pump and pressurize system, (listen for hum from fuel tank area). This test will activate the fuel pump
for 1.5 second intervals. If fuel pump fails to activate, check for voltage to fuel pump, and fuel pump ground. If fuel pump has no voltage test
Auto Shut Down (ASD) relay operation.
The gauge should read 100 kPa plus or minus 7 kPa, (14.5 psi plus or minus 1 psi) and hold for one minute or more.
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If fuel pressure is below specification proceed to step 4.
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If fuel pressure is above specification proceed to step 6.
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If pressure is as specified fuel system is operating correctly and no further testing is necessary. If pressure bleeds off continue testing
procedure to step 5.
4.
If fuel pressure is below specification, move pressure gauge to fuel supply line and install between fuel tank and fuel filter. Repeat test procedure,
