Check Fuel Pressure

(a) Check that battery voltage is above 1 2 volts.

(b) Disconnect the battery ground cable.

(c) Disconnect the wiring connector from the cold start injector.

Mk1 Mr2 Harness Layout

(d) Place a suitable container or shop towel under the cold start injector pipe.

(e) Slowly loosen the union bolt of the cold start injector pipe and remove the bolt and two gaskets from the delivery pipe.

(f) Drain the fuel in the delivery pipe.

Sst 09268 45012

(g) Install a gasket SST, another gasket and union bolt to the delivery pipe as shown in the figure.

SST 09268-45012

(h) Wipe off any splattered gasoline.

(i) Reconnect the battery cable.

1kzte Check Connector

(j) Short the terminals Fp and +B of the check connector.

NOTE: The check connector is located near the inter-cooler.

(k) Turn on the ignition switch.

Aw11 Cold Start Switch

(I) Measure the fuel pressure.

If high, replace the pressure regulator.

If low, check the following parts.

• Fuel hoses and connection

• Pressure regulator

(m) Remove the service wire from the check connector, (n) Start the engine.

Toyota Camry Engine Vacuum Pipes

(o) Disconnect the vacuum sensing hose from the pressure regulator and plug it.

(p) Measure the fuel pressure at idling.

^ /SST

fi3012

(q) Reconnect the vacuum sensing hose to the pressure regulator.

(r) Measure the fuel pressure at idling after 90 seconds.

If no pressure, check the vacuum sensing hose and pressure regulator.

(s) Stop the engine. Check that the fuel pressure remains above 1.5 kg/cm2 (21 psi, 147 kPa) for 5 minutes after the engine is turned off.

If not within specification, check the fuel pump, pressure regulator and/or injectors.

(t) After checking fuel pressure, disconnect the battery ground cable and carefully remove the SST to prevent gasoline from splashing.

(u) Using new gaskets, reconnect the cold start injector hose to the delivery pipe.

(v) Connect the wiring connector to the cold start injector.

(w) Check for fuel leakage.

REMOVAL OF FUEL PUMP

Fuel Pump Bracket

♦ Non-reusable part

Fuel Pump Bracket

Mk1 Mr2 Fuel Pump Wiring Diagram

Fuel Pump

Fuel Pump Filter ♦ Clip

Rubber Cushion

Fuel Pump

Fuel Pump Filter ♦ Clip

Rubber Cushion

WARNING: Do not smoke or work near an open flame when working on the fuel pump.

DRAIN GASOLINE FROM FUEL TANK

REMOVE FUEL TANK

1989 Toyota Pickup Fuel Pump Hanger

3. REMOVE FUEL PUMP BRACKET FROM FUEL TANK

(a) Remove the clamp bolt from the fuel tank.

(b) Remove the five bolts.

(c) Pull out the fuel pump bracket.

REMOVE FUEL PUMP FROM FUEL PUMP BRACKET

(a) Remove the two nuts and disconnect the wires from the fuel pump.

(b) Pull off the lower side of the fuel pump from the bracket.

(c) Remove the fuel pump from the fuel hose.

5. REMOVE FUEL PUMP FILTER FROM FUEL PUMP

(a) Remove the rubber cushion.

(b) Remove the clip and pull out the filter.

Mr2 Fuel Tank1989 Mr2 Fuel Pump

INSTALLATION OF FUEL PUMP

1. INSTALL FUEL PUMP FILTER TO FUEL PUMP

2. INSTALL FUEL PUMP TO FUEL PUMP BRACKET

(a) Insert the outlet port of the fuel pump into the fuel hose.

(b) Install the rubber cushion to the lower side of the fuel pump.

(c) Push the lower side of the fuel pump together with the rubber cushion into the fuel pump bracket.

3. INSTALL FUEL PUMP BRACKET

(a) Place the bracket with a new gasket on the fuel tank.

(b) Install and torque the five screws.

(c) Install the clamp bolt to the fuel tank.

Fuel Tank Mr2 1989

4. INSTALL FUEL TANK

(a) Apply a thin coat of oil to the flare and tighten the flare nut.

(b) Then using SST, tighten the nut to the specified torque.

SST 09631-22020

NOTE: Use a torque wrench with a fulcrum length of 30

CAUTION:

• Tighten the fuel tank mounting bolts, etc. to the specified torque.

• Push in the pipe and insert-type hose to the specified position, and install the clip to the specified location.

• If reusing the hose, reinstall the clip to the original location.

5. REFILL GASOLINE

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Responses

  • fernando
    How to test fuel pressure aw11?
    8 years ago
  • shane
    How to remove mr2 fuel pressure regulator?
    8 years ago
  • atte
    How to disconnect the battery in a Toyota pickup?
    8 years ago
  • Ida
    Where is the fuel pump on a 1989 mr2?
    7 years ago
  • Tanja
    How to check fuel pressure on a 1989 toyota corolla?
    4 years ago
  • Isabella
    How do you tighten the ac compressor on a 2002 toyota sienna?
    3 years ago
  • Riikka
    Where to check fuel pressue on a 1988 toyota cressinda?
    3 years ago
  • Cora Button
    How to test fuel pump toyota harrier?
    3 years ago

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