Question about 1993 Toyota 4Runner

4 Answers

93 TOYOTA HILUX ( 22RE ) STARTS THEN STALLS AFTER 1-2 MINUTES

I've installed a new fuel pump, fuel line assembly comming out of the tank, and a new fuel filter . Problem continued so i put a new pickup in the distributor no change . I checked the mass air flow meter and it seemed to give readings that did not correspond with the amount that the meter was open . A new mass air flow meter costs $900.00 so I went with a used one . No change with the problem , truck starts then stalls 1-2 minutes later . I tried 2 more used units ( mass air flow ) with the same results . I then replaced the coil and igniter and that did'nt help . I can prop open the air flow meter and the truck will run much longer , but poorly . My next guess would be the throttle position sensor , but I cant keep throwing money at a problem I can't find . Any advice would be appreciated .
Thanks
Bill

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  • morrison2 Sep 22, 2008

    say bro did you get this problem figured out? i have a 93 4runner i have this problem too. could you email me if you have a solution i'v tried all sorts of stuff too and need some answers. check it out my email is morrison.2@att.net

    thanks

    paul

  • Anonymous Mar 24, 2014

    How to change air flow sensor pipe and meter boot 87 stanza xe

  • Anonymous Mar 24, 2014

    How to change air flow sensor pipe and meter boot 87 stanza xe

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4 Answers

Check yer vaccuum lines for cracks and your head gasket for damage

Posted on Jun 23, 2008

You may have a vacuum leak, get a can of spray gumout, spray the vac lines and maniflod area, when the idle changes, youve found the leak! You want the engine running and spray on the outside but do direct the stream onto the hoses, if it is a vacuum leak, the engine idle will change speed, then you have detected a leak, repair the vacuum leak and see how it runs!
Check the idle air control, it's on the side of the throttlebdy...

Posted on Jun 06, 2008

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Try cleaning the throttle body.Check the air-gap for the pick-up coil inside the distributor assembly(use a brass feeler gauge)
Check valve clearances if needed(possible tight intake valve adj.)
Check base timing(follow instr. via under hood label)
Hope this helps.

Posted on Mar 17, 2009

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Send me some money and maybe i'll tell you

Posted on May 28, 2008

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Where is the fuel pump located ? Is it in the tank?


The fuel pump assembly is located in the fuel tank. Refer to the fuel tank assembly illustrations in this section. On most applications, the fuel tank must be lowered to remove the fuel pump assembly. The fuel pump assembly is cooled by the fuel in the tank.
REMOVAL & INSTALLATION

See Figure 1
  1. Before disconnecting the fuel lines or any of the fuel system components, release the fuel system pressure as described previously in this section. Releasing system pressure is a very important step for the correct removal of the electric fuel pump.
    1. Disconnect the negative battery cable. Unfasten the fuel pump assembly electrical connector and remove the fuel tank inspection cover.

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    When removing or installing the fuel pump assembly, be careful not to damage or deform it. Always install a new O-ring.
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see instructions from AutoZone:
The fuel pump assembly is located in the fuel tank. Refer to the fuel tank assembly illustrations in this section. On most applications, the fuel tank must be lowered to remove the fuel pump assembly. The fuel pump assembly is cooled by the fuel in the tank.

REMOVAL & INSTALLATION


See Figure 1
  1. Before disconnecting the fuel lines or any of the fuel system components, release the fuel system pressure as described previously in this section. Releasing system pressure is a very important step for the correct removal of the electric fuel pump.




0900c1528018d240.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 1: Internal view of the electric fuel pump
  1. Disconnect the negative battery cable. Unfasten the fuel pump assembly electrical connector and remove the fuel tank inspection cover.

If the truck has no fuel tank inspection cover, the fuel tank must be lowered or removed to gain access to the in-tank fuel pump.
  1. Disconnect the fuel outlet and return hoses. Remove the fuel tank assembly, if necessary.
  2. Remove the ring retaining bolts and the O-ring, then lift the fuel pump assembly from the fuel tank. Plug the opening with a clean rag to prevent dirt from entering the system.

When removing or installing the fuel pump assembly, be careful not to damage or deform it. Always install a new O-ring.
To install:
  1. Install the fuel pump assembly in the fuel tank with a new O-ring. Install the ring retaining bolts. Install the fuel tank if removed.
  2. Reconnect the fuel lines and fasten the electrical connection.
  3. Connect the battery cable, then start the engine and check for fuel leaks.

The "Check Engine Light'' may stay on after installation is completed. If so, the trouble code in the control unit's memory must be erased. To erase the code, disconnect the battery cable for 10 seconds, then reconnect it a verify that the light is extinguished.

TESTING


See Figures 2 and 3
  1. Relieve the fuel system pressure, as described previously in this section.
  2. Disconnect the fuel inlet hose at the electro injection unit.




0900c1528018d241.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 2: Make sure that the fuel line hose clamps are installed properly



0900c1528018d242.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 3: Testing fuel system pressure using a gauge and a "T'' fitting
  1. Install a fuel pressure gauge.
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Removal & Installation

57b1976.gif
Exploded view of the fuel sender, including the fuel pump


Click to Enlarge
  1. Properly relieve the fuel system pressure

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