TOYOTA PREVIA 91-97 REPAIR MANUAL

FUEL SYSTEM 5-11

Fig. 35 Remove the fuel pressure regulator

Fig. 37 Apply a light coat of gasoline on the 0 ring prior to

installation

Fig. 36 Place a small piece of cloth or paper in the regulator

mating port to prevent dirt from entering

3. Disconnect the vacuum hose from the clamp and pull the end of the
   hose from the port on the valve.


4. Place a suitable container or shop towel under the pressure regula-
   tor. Disconnect the fuel return line.


5. Plug the hose with a bolt to keep from excessive fluid loss.


6. Remove the two bolts and extract the regulator from the engine.
   These bolts have screw heads also.

i-The rear bolt is hard to get to. An off-set screwdriver can be used
to access it.

-•Place a small piece of cloth or paper in the regulator opening, to
keep dirt from entering.

7. Inspect and replace the 0-ring if necessary.
   To install:


8. Apply a light coat of gasoline to the 0-ring and install it on the reg-
   ulator.


9. Attach the pressure regulator to the engine and secure to 48 inch
   Ibs. (5 Nm).


10. Connect the fuel return hose.

Pressure

Regulator

New 0-Ring

Delivery Pipe

WRONG / \G CORRECT

D

Fig. 38 Be sure to install the fuel pressure regulator correctly

11. Attach the vacuum hose and tighten the clamp.


12. Install the RH engine service hole cover.

Cold Start Injector

REMOVAL & INSTALLATION

I See Figure 39

1. Disconnect the negative battery cable.


2. Disconnect the cold start injector wiring.


3. Place a suitable container or shop towel under the fuel pipe. Slowly
   remove the union bolt and two gaskets, the disconnect the fuel pipe.


4. Remove the two bolts and extract the cold start injector from the engine
   To install:


5. Place a new gasket on the cold start injector and secure to the engine
   with the bolts to 48 inch Ibs. (5 Nm).


6. Using new gaskets, connect the fuel tube with the union bolts and
   secure to 14 ft. Ibs. (20 Nm). with gasket.