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FUEL DELIVERY DESCRIPTION The front wheel drive car uses a plastic fuel tank located rear center of the vehicle. The Fuel Delivery System consists of: the following items: • Electric fuel pump module • Fuel filter • Tubes/lines/hoses • Fuel injectors pump. The pump is serviced as part of the fuel pump The fuel filter is replaceable only as part of the fuel pump module. OPERATION The fuel system provides fuel pressure by an in-tank pump module. The Powertrain Control Mod- • Ignition voltage • Crankshaft Position (CKP) sensor • Camshaft Position (CMP) sensor DIAGNOSIS AND TESTING - FUEL DELIVERY (Refer to Appropriate Diagnostic Information) STANDARD PROCEDURE STANDARD PROCEDURE - FUEL SYSTEM (1) Remove Fuel Pump relay from Power Distribu- tion Center (PDC). For location of relay, refer to label (2) Start and run engine until it stalls. longer run. (4) Turn ignition key to OFF position. may have been stored in PCM memory due to fuel t scan tool must be used to erase a DTC. STANDARD PROCEDURE - DRAINING FUEL Two different procedures may be used to drain fuel tank (lowering tank or using DRBIII t scan tool). The quickest draining procedure involves lowering the fuel tank. WARNING: RELEASE FUEL SYSTEM PRESSURE SERVICING THE VEHICLE. THIS MAY RESULT IN PERSONAL INJURY OR DEATH. As an alternative procedure, the electric fuel pump may be activated allowing tank to be drained at fuel t scan tool for fuel pump activation procedures. Before disconnecting If electric fuel pump is not operating, tank must be lowered for fuel draining. Refer to following proce- (1) Remove fuel filler cap. cedure. (3) Disconnect negative cable from battery. grounding wire (strap) connecting the fuel fill tube (6) Open fuel fill door and remove screws mount- ing fuel filler tube assembly to body. Do not discon- (7) Place a transmission jack under center of fuel tank. Apply a slight amount of pressure to fuel tank (8) Remove fuel tank mounting straps. filler tube fitting is the highest point of the fuel (10) Remove filler tube from fuel tank. Tank will be drained through this fitting. 14 - 2 FUEL DELIVERY PL/SRT-4 |