Fuel Systems (Gasoline): Notes

WARNING: ALWAYS release fuel pressure before disconnecting any fuel injection-related component. Do not allow fuel to contact engine or electrical components. See FUEL SYSTEM PRESSURE RELEASE .

NOTE: Perform powertrain diagnostic system check prior to testing, and after completing any repairs. See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - 2.2L ALERO, CAVALIER, GRAND AM & SUNFIRE - GASOLINE article.

NOTE: For location of components, see COMPONENT LOCATIONS . For circuit identification, see WIRING DIAGRAMS .

Manufacturer does not provide testing procedures for many individual systems and components. For fuel system testing not listed, perform related DTC testing procedure. See SELF-DIAGNOSTICS - 2.2L ALERO, CAVALIER, GRAND AM & SUNFIRE - GASOLINE article.