Removal & Installation (Contour)

WARNING: This page is about a different variant/trim than selected.

Raise and support vehicle. Close quarter turn valve. Partially lower vehicle. Start and run engine with ALT/GAS switch in ALT position until engine stalls or automatically switches to GAS mode. Disconnect negative battery cable. Raise vehicle again. Remove compuvalve shield. Slowly open pressure regulator Gyrolok fitting and allow any trapped gas to escape. See DISCONNECTING LPG CONNECTOR (SPRING LOCK-TYPE) under FUEL LINE FITTINGS. Disconnect electrical connector from FTP sensor. Remove FTP sensor.

NOTE: If adapter loosens when removing FTP sensor, remove and replace "O" ring, then reinstall.

To install, reverse removal procedure. Tighten Gyrolok fitting until snug and tighten an additional 1/2 turn. Pressurize CNG system and inspect fittings for leaks. Perform LEAK TEST (CNG) under FUEL SYSTEM (NATURAL GAS VEHICLES) in SYSTEM & COMPONENT TESTING - EEC-V (BI-FUEL & NATURAL GAS) article.