GM Firebird 1982-1992 Repair Guide

Relieving Fuel System Pressure


  1. Disconnect the negative battery cable to prevent fuel discharge if the key is accidentally turned to the RUN position.
  3. Loosen the fuel filler cap to relieve fuel tank pressure and do not tighten until service has been completed.
  5. Fuel system pressure is automatically relieved when the engine is turned OFF. No further action is necessary.

When disconnecting fuel lines, there may still be a small amount of fuel released. Cover the fuel line connection with a shop cloth to collect the fuel, then place the cloth in an approved container.