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3. Disconnect the fuel return pipe (2). 4. Remove the fuel pressure regulator mounting bolts (1). 5. Remove the fuel pressure regulator. 6. Installation is in the reverse order of removal. Installation Notes: • Coat the surface of the fuel pressure regulator O-ring seal with clean engine oil before assembly. • While installing the fuel pressure regulator, ensure that the fuel pressure regulator rotates smoothly in the fuel distribution tube. If it does not rotate smoothly, the O-ring seal may have been damaged. Remove the fuel Fuel Pressure Regulator Inspection 1. Connect a fuel pressure gauge to the inlet fuel pipe. 2. Start and idle the engine (note the fuel pressure). 3. Increase the engine speed to 2500 RPM (note the fuel pressure). SPECIFICATION PRESSURE Idle 350 kPa 2500 RPM 350 kPa ON-VEHICLE SERVICE LTSM040006
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