Search results

  1. B

    2001 496 HO - IAC 99% Missing 1000 RPM

    I don't think so but guess it could be a fuel issue. I had all the injectors, flow tested, they replaced the filters in them, o-rings etc and then re-tested and were good. I used the Diacomm software to fire each injector and I hear the audible ticking noise for each one.
  2. B

    2001 496 HO - IAC 99% Missing 1000 RPM

    Hello all, Fresh rebuilt top and bottom (2001) 496HO's PCM 555, Port motor rpm's are off compared to Stbd and I'm missing 10 mph, verified new plugs, wires, checked coils are in the right order. Compression is good. Port motor IAC shows 99% when idling and you have to play with the throttle to...
  3. B

    06' 496 Mag HO Duty Cycle

    I know this is an old thread, but I am having almost identical issues. Did you ever get anywhere with it? I've got the diacomm software also and have done some logs.
Top