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
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

H2 - Check Fuel Pressure



WARNING: The fuel system will remain pressurized when engine is not running. To prevent injury or fire use caution when working on the fuel system.

- Key "OFF".

- Install fuel pressure gauge.

- Verify that manifold vacuum is connected to the fuel pressure regulator if applicable. If engine will start:

- Start and run engine at idle. Note fuel pressure.

- Increase engine speed to 2500 rpm and maintain for one minute. Note fuel pressure.

- If engine will not start, cycle the key off and on several times. Note fuel pressure.

- Is fuel pressure within specification?

Yes -- Go to H3. H3 - Check Systems Ability to Hold Fuel Pressure

No -- Refer to Fuel Delivery and Air Induction.