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Fuel Supply System System Description The fuel supply system consists of a fuel tank, in-tank high-pressure fuel pump, PGM-FI main relay, fuel filter, fuel pressure regulator, fuel pressure regulator control lines. This system delivers pressure-regulated fuel to the Fuel Pressure Relieving top of the fuel filter. SERVICE FUEL SHOP TOWEL NOTE: vice bolt hole. • Always replace the washer between the service bolt and the special banjo bolt whenever the ser- vice bolt is loosened. • Replace all washers whenever the bolts are removed. Inspection 1. Relieve fuel pressure. 2. Remove the service bolt on the fuel filter while hold- ing the banjo bolt with another wrench. Attach the FUEL FILTER 3. Start the engine. Measure the fuel pressure with the engine idling and the vacuum hose of the fuel pres- 2 , 43.4 - 50.5 psi) 4. Reconnect vacuum hose to the fuel pressure regula- tor. Pressure should be: 240 - 289 kPa (2.45 - 2.95 kgf/cm 2 , 34.8 - 41.9 psi) If the fuel pressure is not as specified, first check the ). If the fuel pump is OK, check the following: • If the fuel pressure is higher than specified, inspect for: — Pinched or clogged fuel return hose or line. ). • If the fuel pressure is lower than specified, inspect for: — Clogged fuel filter. ). — Fuel line leakage. 1. Make sure you have the anti-theft code for the radio, then write down the frequencies for the 2. Disconnect the battery negative cable from the bat- tery negative terminal. 3. Remove the fuel fill cap. filter while holding the special banjo bolt with 5. Place a rag or shop towel over the service bolt. the radio, then enter the customer's radio station presets. • Do not smoke while working on the fuel system. Keep open flames or sparks away from your work area. • Be sure to relieve fuel pressure while the ignition switch is off. CLAMP FUEL FUEL Main Menu Table of Contents |