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Car stumbles on cold start

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    #31
    Originally posted by MIKEYZCB7 View Post
    also I saw your vid,my car had the same exact problem.Changed the main relay and it got alot better
    Perfect!

    Sounds like it's the main relay as a general consensus, so I'll go ahead and order one from Majestic Honda.

    Thanks everyone for their help!

    Perhaps we should add this as another sympton to the main relay failing. I always under the impression it was a hot start/hot weather issue, but apparently not.
    Last edited by s2cmpugh; 10-05-2009, 11:41 AM.

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      #32
      Originally posted by MIKEYZCB7 View Post
      I'm a nissan certified tech,I would know.the main relay controls the fuel injectors.It's missfiring at start up because the injectors aren't sparying right
      as far as im concerned, the PGMFI relay controls the fuel pump relay. I just looked at the wiring diagram. you technicians ever use those?
      I <3 G60.

      0.5mm Oversized Stainless valves and bronze guides available. Pm me please.

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        #33
        Originally posted by MIKEYZCB7 View Post
        also I saw your vid,my car had the same exact problem.Changed the main relay and it got alot better
        So I resoldered the contacts today and no change. Is it possible the actual parts inside the relay have gone bad?

        If it helps, I don't think I hear the fuel pump whirring either.

        Cris P.

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