ECU Relay 85 QV | FerrariChat
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ECU Relay 85 QV

Discussion in '308/328' started by cabbott2, Jun 6, 2018.

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  1. cabbott2

    cabbott2 Karting

    Oct 27, 2014
    114
    Dallas, Tx
    #1 cabbott2, Jun 6, 2018
    What is the correct ECU for a US 85 QV? What should I pay and where can I get? Looking thru older threads, sounds like the solution to a startup issue...where the car runs like **** for 2 - 5 minutes then runs perfectly.
     
  2. tbakowsky

    tbakowsky F1 World Champ
    Consultant Professional Ferrari Technician

    Sep 18, 2002
    19,892
    The Cold North
    Full Name:
    Tom
    #2 tbakowsky, Jun 6, 2018
    How have you determined it's an ecu issue?

    What items have you checked? Have you checked cold rest pressure? Have you checked to be sure you are not starting or running on one bank of cylinders? Have you made sure the relays, fuses, and (most importantly) the connections at the fuse panel are in good operating condition?
     
  3. cabbott2

    cabbott2 Karting

    Oct 27, 2014
    114
    Dallas, Tx
    #3 cabbott2, Jun 6, 2018
    Actually planning on doing several things which include fuel filter, distributed caps, plugs and wires, etc. But, based on what I have read, the symptoms point to the ECU relay. Both exhausts seem to be putting out same air...and it runs and pulls strong once warmed. But open to checking other things in process. Also plan to get Birdman fuse block.
     
  4. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,668
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    #4 Steve Magnusson, Jun 7, 2018
    Do you mean "ECU" or "ECU Relay" as in the thread title? (And by "ECU Relay" please confirm/deny if you mean the Protection Relay)

    Does your Frequency Valve "vibrate/buzz" when the engine is running?
     

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