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355 thermocouple reconnect

Discussion in 'Technical Q&A' started by wlracing, Mar 29, 2005.

  1. wlracing

    wlracing Karting

    Dec 14, 2004
    234
    UK
    Full Name:
    wally
    If one of the thermocouples on a 355 5.2 system is reconnected after having the slow down light on will the light go out without resetting the ECU ?

    Have been told by dealer technician yes & by specialist no .
     
  2. Rifledriver

    Rifledriver Two Time F1 World Champ

    Apr 29, 2004
    25,424
    Austin TX
    Full Name:
    Brian Crall
    Slow down lights have no memory.
     
  3. Steve Magnusson

    Steve Magnusson F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    18,381
    Texas
    Full Name:
    Steve Magnusson
    Perhaps your quandry is a clear as you state, but one thing to keep in mind is the confusion on the later cars that can arise between the slowdown warning lights and the check engine warning lights. Brian's answer seems right to me within the strictness of your post, but perhaps one person didn't listen very carefully to your question or mixed the two system in their hasty recollection -- just a thought...

    Give a little background on the problem -- is only one side being troublesome? With two independent thermocouple-slowdown systems on a 355 can't you do some swapping-unplugging-replugging-etc. and deduce the answers?
     

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