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 Delivery and Air Induction: Service and Repair

WARNING
To reduce the risk of fire and personal injury, it is necessary to relieve fuel system pressure before servicing fuel system components.
A small amount of fuel may be released when servicing fuel lines or connections. In order to reduce the chance of personal injury, cover fuel line fittings with a shop towel before disconnecting to catch any fuel that may leak out. Place the towel in an approved container when disconnect is complete.


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. (Do not tighten until service has been completed.)

- The TBI model 220 contains a constant bleed feature in the pressure regulator that relieves pressure. Therefore, no further action is required.