Fuel Delivery and Air Induction: Service and Repair

Fuel Supply System CMFI:

FUEL PRESSURE RELEASE PROCEDURE
- Disconnect negative battery terminal to avoid possible fuel discharge if an accidental attempt is made to start the engine.
- Loosen fuel filler cap to relieve tank vapor pressure
- Connect fuel pressure gauge to fuel pressure connection tap. Wrap a shop towel around fitting while connecting gauge to avoid spillage.
- Install bleed hose into an approved container and open valve to bleed system pressure. Fuel connections are now safe for servicing.
- Drain any fuel remaining in gauge into an approved container.