Supra L6-3.0L DOHC Turbo (7M-GTE) (1987)
Fuel Pressure: Testing and Inspection
1. CHECK FUEL PUMP OPERATION.
a. Turn the ignition switch to "ON".
NOTE: Do not start the engine.
b. Short terminals Fp and + B of the check connector with the service wire.
NOTE: The check connector is located near the No.2 relay block.
c. Check that there is pressure in the fuel inlet hose.
NOTE: At this time, you will hear fuel pressure noise.
d. Remove the service wire.
e. Turn the ignition switch to "OFF".
If there is no pressure, check the following parts.
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Fusible Link.
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Fuse.
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Electronic Fuel Injection (EFI) Main Relay.
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Circuit Opening Relay.
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Fuel Pump.
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Fuel Pump Relay.
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Fuel Pump Resistor.
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Wiring Connections.
f.
Check that battery voltage is above 11 volts.
g. Disconnect the battery negative cable.
2. REMOVE COLD START INJECTOR TUBE