L-Series Sedan (3 Door) 2WD F4-1781cc 1.8L SOHC (SPFI) (1986)
Fuel Pressure: Testing and Inspection
NOTE: To obtain an accurate fuel pressure reading the engine must by running. Basic fuel pump operation can be verified in a no start condition by
observing gauge reading while cranking engine. Fuel pressure should be approximately 18 psi (120 kPa).
RELEASE FUEL PRESSURE
1.
Remove fuel pump fuse.
2.
Start the engine and run it until it stalls.
3.
After the engine stalls, crank it for five (5) more seconds.
4.
Turn the key "OFF".
5.
Reinstall fuel pump fuse.
CHECK FUEL PRESSURE
1.
Disconnect fuel filter outlet hose.
2.
Connect a fuel pressure gauge between fuel filter outlet and hose.
3.
Start engine and idle.
4.
Check fuel pressure.
CONTROLLED FUEL PRESSURE AT IDLE
13 - 17 psi (88 - 118 kPa)