Montero Sport LTD 2WD V6-3.5L SOHC (2000)
drop and troubleshoot and repair according to the table below. Start, then stop the engine.
1. Squeeze the fuel return line closed to confirm leak-down occurs from defective fuel pressure regulator.
2. Squeeze the fuel supply line closed to confirm leak-down occurs from detective fuel pump check valve.
3. If pressure continues to drop with both fuel lines squeezed closed, injector(s) are leaking.
14. Release residual pressure from the fuel pipe line.
WARNING: Cover the hose connection with shop towels to prevent splash of fuel that could be caused by some residual pressure in the
fuel pipe line.
15. Remove the fuel pressure gauge, and special tools M0998709, MD998742 and MB991637 from the fuel rail.
16. Replace the O-ring at the end of the high-pressure fuel hose with a new one.
17. Fit the high-pressure fuel hose into the fuel rail and tighten the bolts to specified torque.
Tightening torque: 5 N.m (3.6 ft.lb)
18. Check for fuel leaks.
1. Use scan tool MB991502 to operate the fuel pump.
2. Check the fuel line for leaks, repair as needed.
19. Disconnect scan tool MB991502.
