Fuel Injection Control Module: Removal
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery cables. Unsnap the positive battery cable cap. Loosen the positive battery cable bolt. Remove the positive battery cable. Remove the air cleaner outlet duct. See AIR CLEANER OUTLET DUCT under AIR INDUCTION SYSTEMS.
- Remove the fuel filler cap to relieve pressure. Cut and discard the large tie straps from the control module and harness. Remove the fuel line bolts from the control module. See Fig 1. Remove the control module bolts.
- Remove the control module insulators between the module and bracket. Do not break off the tab on the electrical connector. Disconnect the control module electrical connectors. Remove the fuel lines from the control module and discard washers. Remove the control module from the bracket.