Question about 1987 Toyota 4Runner

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Fuel injector problem

I have a 1987 toyota four wheel drive. I have have just rebuilt the head and the lower block. now I'm in process of installing the engine. everything was going great untill I noticed that I never marked the fuil injectors during removal. I have four sets of wires. The color codes are as follows:
a: two injectors with white wires with a red stripe,and a yellow wire.
b, two injectors with one blue wire and one white wire,

Can you tell me what color coded injectors goes to what cylender, or how do I know which one goes where. It;s a 1987 toyota 4 wheel drive land cruiser typle modle 22r. fuel injected.

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Red and white with yellow go to #1 and #3.
blue and white go to #2 and #4

Posted on Jan 14, 2009


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Remove sv21 injectors

Hi there:
This Australia made TOYOTA CAMRY SV21 was produced in 1989, similar at 3S-FE Engine...

  1. Disconnect the negative battery cable.
  2. Disconnect the harness from the cold start injector.
  3. Place a towel or rag under the cold start injector pipe and remove the two union bolts, four gaskets and delivery pipe.

Loosen the union pipe bolts slowly.

  1. Disconnect the vacuum sensing hose from the fuel pressure regulator.
  2. Disconnect the fuel return pipe hose.
  3. Remove the pulsation damper with the two gaskets. Discard the gaskets and purchase new ones.
  4. Unbolt and remove the delivery pipe with the injectors attached.

When removing the delivery pipe, take care not to drop it as damage to the injectors may result.

  1. Remove the four insulators and two spacers from the cylinder head.
  2. Gently pull the injectors from the delivery pipe.
  3. Remove the O-rings and grommets from the injectors and purchase new ones.

To install:
  1. Install a new grommet and new O-ring onto each injector. Make sure that they are installed evenly, to ensure a good seat and save yourself from having to take the injectors out and readjust or replace the O-rings.
  1. Lightly coat the O-rings with clean fuel.
  2. Install the injectors into the delivery pipe. Do not **** the injector, install it straight into the opening using a light left to right twisting motion.
  3. Place the four insulators and two spacers on the cylinder head.
  4. Install the injectors together with the delivery pipe onto the cylinder head.
  5. Go to each injector and rotate it by hand. The injector should rotate smoothly.

If the injectors don't rotate smoothly, the O-rings are probably not installed correctly or the injectors are not installed evenly. If this is the case, you will have the pull the delivery pipe off the intake manifold and look at the O-rings to make sure that they are installed correctly. Adjust the O-rings and, if damaged, replace them.

  1. After the delivery pipe and injectors are properly in place, go to each injector and position the connector so that it is facing upward.
  2. Install the two delivery pipe retaining bolts and tighten them to 9 ft. lbs. (12 Nm).
  3. Install the pulsation damper with two new gaskets on both sides of the fuel hose "banjo'' fitting. Tighten the damper.
  4. Connect the fuel return hose.
  5. Attach the injector connectors.
  6. Connect the vacuum sensing hose.
  7. Using new gaskets, connect the cold start injector pipe to the delivery pipe and cold start injector. Tighten the two union bolts to 13 ft. lbs. (17 Nm).
  8. Attach the cold start injector wiring connector.
  9. Connect the negative battery cable.
  10. Short the +B and Fp terminals of the engine check connector with a jumper wire.
  11. While the connector is shorted, pinch the fuel return hose. When the pinched, this causes the pressure in the high pressure fuel line to rise to 57 psi. ( kPa) At this time any leaks in any part of the system should be apparent. Carefully look at each component for leakage and run the tip of your finger around each connection.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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Injector not working why put new injector new computer new fuel pump does it have injector relay 1987 celebrity

Check fuel pressure. Have you replaced the fuel filter on schedule? Verify that the fuel pump is getting power. Power goes through an in-line fuse, then the fuel pump relay or the oil pressure sensor. (The relay bypasses the oil pressure sensor while the engine starts, but fuel pump power goes through the sensor during normal run operation. If you lose oil pressure, the fuel pump is shut off to protect the engine.) On four-cylinder models, the fuse is in the fuse block (E PUMP 10)
The fuel injectors are connected to the ECM fuse on one side and straight to the engine computer on the other side. Check the connectors and wiring, especially at the injector.

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The 1981 to 1984 versions of the Starlet that were sold in the U.S. were powered by a 1.3 liter OHV engine with four cylinders and electronic fuel injection. The engine has a 2.95-inch bore and 2.87-inch stroke and produces 58 horsepower at 4,200 rpm. The 1981 and 1982 versions of the engine produced 67 ft-lbs of torque, and the 1983 and 1984 versions produced 74 ft-lbs of torque. The compression ratio is 9.5:1.
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I have a87 toyota pick up with a 22r and 33 inch tires has promblems getting started in 4 wheel drive and driving in four wheel drive almost like it barly has any power

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