Fuel Pressure Regulator: Service and Repair

REMOVING AND INSTALLING FUEL PRESSURE REGULATOR





- Disconnect air hose (1) and fuel hose (2).





- Unscrew bolts (1).
- Take off fuel pressure regulator.

Installation Note:





- Check seal (1) replacing if necessary.

Installation Note:





- Check code number (1).
- (2) = Manufacturing date

Checking:





- Install pressure gage 13 3 060 with connecting line and T-adapter 13 3 064 in fuel feed line, in front of fuel pressure regulator.





- Pull off fuel pump relay (1).
- Bridge terminals 87 and 30 with Special Tool 61 3 050.
- Fuel injection pressure.