Question about 2000 Toyota Celica

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94 Celica GT, Fuel Problem?

The engine will start then stop in a few seconds. Then will not start for hours the start again and stop. I can get it to run by spraying starter fluid in the intake and it runs, so electrical is good. Timing light works on all plugs. Fuel pressure at the cold start injector, good. Cold start injector operates with 24vdc, good. I get no voltage at the connector of the cold start injector. What tells the injector to open? What is the next step to locate the problem? I am sure it is fuel because of the starter fluid test.

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  • alarm guy Aug 12, 2008

    So it may be the computer?? What about relays etc?

  • Anonymous Mar 13, 2014

    no power t0 fuel injectors runs good for a hour I turn it off for 20 minutes no power to injectors

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This is most likely going to be a control module (ECM), a relay wouldn't have this effect. Check to see if this model has a control module for the injection system, if not the problem may lie in the main ECM. If the car has these features, check the fuel kill switch (in case of crash switch), if this switch is malfunctioning it could cause the fuel pump to turn off after the initial start, and the security system, some have a fuel kill along with an electrical kill.

Posted on Aug 12, 2008

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There are two things it can be the fuel pump or the injector so you need to check both of them.

Posted on Aug 12, 2008

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The computer is what outputs that. So you want to check the wire at the computer and see what your getting. Has the motor been pressure washed or have any changes been done recently?
Thanks,
Lee

Posted on Aug 10, 2008

  • Lee A.
    Lee A. Aug 19, 2008

    You can test the relays as well, as I would. Though I would highly recommend if you don't have one that you pick up a factory service manual. I have one for my 85 mr2. It will tell you everything down to the nuts and bolts. You can purchase one off of ebay for quite cheap. If you need any further assistance locating a manual let me know.
    Thanks,
    Lee

  • Lee A.
    Lee A. Aug 25, 2008

    I was informed that you requested a refund. I got no further input from you so I could not assist you any further? What was not satisfactory? Did you get the problem fixed?
    Thanks,
    Lee


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