Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Fuel Pressure: Testing and Inspection

Fuel Pressure

INSPECTION

CAUTION:
^ Before removing the fuel pressure gauge, release the fuel pressure.
^ Be careful not to spill fuel.
^ Catch the fuel from hoses using a container or cloth.


NOTE: Check or replace the fuel pump and fuel delivery line if the fuel pressure is out of the standard.

1) Release the fuel pressure.
2) Disconnect the fuel delivery hose from the fuel damper, and connect the fuel pressure gauge.





3) Install the fuse of fuel pump to main fuse box.
4) Start the engine.
5) Measure the fuel pressure after warming up the engine.
Fuel pressure: Standard. 338 - 348 kPa (3.4 - 3.5 kgf/cm2, 49 - 50 psi)

NOTE: The fuel pressure gauge registers 10 to 20 kPa (0.1 to 0.2 kgf/cm2, 1 to 3 psi) higher than standard values during high altitude operations.