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OBD1 stomp test not working. Why not?

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    OBD1 stomp test not working. Why not?

    I went through the effort of hooking up as much as possible on my OBD1 swapped S52 turbo thingy.

    Here's a link to my wiring diagram. Orange is what you really should concern yourself with as that's what I actually hooked up on my car.


    So I floor the pedal 5 times like I do with the M20, and nothing. Maybe the TPS is shot?

    Status: HG repair. 488wtq though!

    #2
    Check the throttle stop under the Gas pedal & compare to full open on the throttle body - make sure U are getting full open throttle.
    TPS sends the signal to the ECU.

    BTW does your check engine light come on when U turn the egintion to #2 poistion?
    I Love my Bimmer. :up:


    http://www.r3vlimited.com/board/showthread.php?t=316184

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      #3
      I shall check. What if it doesn't?

      CEL comes on in the on position and run position. IE motor doesn't have to be running.

      Status: HG repair. 488wtq though!

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        #4
        Means the bulb isn't burnt out. Mine worked for like two weeks after the swap and quit, double checked the wiring, swapped TPS's, tried doing it by hand at the throttle body. Still nothing. My peake scanner works fine though, is that a DME issue then? I have a spare 413 I have yet to try.

        '89 Alpine S52 with goodies

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          #5
          I have another 413 I could try but it doesn't seem to be a DME issue. I'll try swapping the tps and maybe manually putting it WOT.

          Status: HG repair. 488wtq though!

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