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

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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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AA21 - Check Fuel Pressure



WARNING: If fuel starts leaking, turn key off immediately. No smoking.

- Connect fuel pressure gauge.

- Note initial pressure reading.

- Observe pressure gauge as you pressurize fuel system. (Turn key to "RUN" for one second, then turn key to "OFF". Wait 10 seconds. Repeat five times).

- Does fuel pressure increase?

Yes -- Go to pinpoint test step S1. S - System Check

No -- Turn Key "OFF". Refer to Fuel Delivery and Air Induction.