Help Please 328 running on 4!!!! | FerrariChat

Help Please 328 running on 4!!!!

Discussion in 'Technical Q&A' started by Rod, Apr 16, 2010.

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  1. Rod

    Rod Formula Junior

    Jan 18, 2004
    870
    South Derbyshire
    Full Name:
    Rod
    Guys

    My 328 is running on 4 cylinders. The rear bank is at fault. How can I check to see if it is the coil or module that is at fault?

    Any tests that I can do?

    Thanks all!!!!
     
  2. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,932
    30°30'40" N 97°35'41" W (Texas)
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    The dist cap/button/rotor/coil wire on the bad bank might also be the problem. I'd have a quick look inside the cap (since that's easy) -- if that seems OK, swap modules -- if the problem "moves" to the other bank = bad module; if problem stays on same bank, swap coils...
     
  3. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,055
    USA
    +1 on Steve's diagnostic tips...start there and report back.
     
  4. PT 328

    PT 328 F1 Rookie
    Silver Subscribed

    May 1, 2005
    4,016
    I would also take a quick peek at the extenders. Mine dropped a bank and the culprit was a small, pencil tipped sized burn in one of the extenders.
     
  5. Rod

    Rod Formula Junior

    Jan 18, 2004
    870
    South Derbyshire
    Full Name:
    Rod
    Thanks guys.. Will have a look this weekend!
     
  6. ducowti

    ducowti Formula 3

    Jan 27, 2008
    1,558
    NY/SC
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    David
    If you determine the fault to be the module let us know (or do a search for WAI and/or module) - you can get replacement for $16 vs ~$900 for the entire coil.
     
  7. rob lay

    rob lay Administrator
    Staff Member Admin Miami 2018 Owner Social Subscribed

    Dec 1, 2000
    64,284
    Southlake, TX
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    Rob Lay
    Also reminder not to run it on 4 as the 328 still dumps fuel in your unfiring bank, doesn’t take long for exhaust to glow orange and many of the 328 fires are started because of this.
     
  8. Rod

    Rod Formula Junior

    Jan 18, 2004
    870
    South Derbyshire
    Full Name:
    Rod
    Thanks Rob....

     
  9. Rod

    Rod Formula Junior

    Jan 18, 2004
    870
    South Derbyshire
    Full Name:
    Rod
    Guys

    I have swapped the modules as this was easy with no change, so assume that they are both working? Removed the dissy cap, I think all looks ok but would I expect to see a lot of wear on the centre pin? should the pin stick out quite a bit? I did "gently" open up the string length to make it more springy. The end of the pin looked quite smooth to me?
    Not yet refitted to give the car another go.

    My friend has tested the coils off the car doing a static check and both give the same readings? not yet swapped them over to try but would they change under load?

    Getting worried now!!!!
     
  10. RGigante

    RGigante F1 Rookie
    Owner Project Master

    Nov 1, 2006
    2,874
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    Check the wire from the coil to the distributor. Also check carefully if the distributor is not cracked
     
  11. Rod

    Rod Formula Junior

    Jan 18, 2004
    870
    South Derbyshire
    Full Name:
    Rod
    Damn

    I swapped the coils today and the problem is now on the other bank!!! Therefore it must be the coil that is at fault? strange how they were tested off the car and both gave out the same readings? Can they break down under load?

    Where can I purchase a new coil from without it costing silly money?
     
  12. RGigante

    RGigante F1 Rookie
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    Nov 1, 2006
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  13. Rod

    Rod Formula Junior

    Jan 18, 2004
    870
    South Derbyshire
    Full Name:
    Rod
  14. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,932
    30°30'40" N 97°35'41" W (Texas)
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    Steve Magnusson
    You don't need the heatsink, but, if you can find no other source, www.allferrariparts.com has a slightly better price on the whole enchilada.

    Try a search on AEI600A, and look thru the TR crossreference thread or search here on "TR coil" (I believe 328 and early TR use the same Marelli coil with the spade connectors).
     
  15. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ
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    May 4, 2001
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    This exact thing happened to me 3 years ago. My problem (and a common one eventually for these cars) was a bad crank position sensor. QV's have three.

    Are the 328's the same?
     
  16. RGigante

    RGigante F1 Rookie
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    Yes, I believe that is correct.
    A friend told me that these are the same ones used on the Lancia Thema 3.2, but I'm not sure. If you have a Lancia dealer at hand, maybe it's a good ideia to pay them a visit with your unit in hand :)
     
  17. RGigante

    RGigante F1 Rookie
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    Nov 1, 2006
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    No, 328's have only two sensors: one for the crank position and another for flywheel teeth counting (angle)
     
  18. f355spider

    f355spider F1 World Champ
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    You lost a bank due to a bad crank sensor, or did the bad crank sensor take out the coil?
     
  19. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ
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    Coils were fine. The crank sensor at the 11:00 position was shot. It is made of nylon or something and eventually they will crack, split, etc. That's what mine did. When I ordered my new ones from Rutlands, they told me they sell a lot.
     
  20. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ
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    May 4, 2001
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    I was in Atlanta when it first happened. Above 4000 rpm's or so it would run fine. I was able to drive back home without a problem - all highway, but eventually (after about a week ) it wouldn't run at all.
     
  21. mwr4440

    mwr4440 Five Time F1 World Champ
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    Jun 8, 2007
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    Try these guys.

    http://www.probedistributors.co.uk/detailspage.aspx?searchStr=PC6003


    I just bought 2 new 308 GTSi coils (Page cited above) from them for LESS THAN HALF the price for O-N-E new coil from the cheapest "usual" F-Car supplier.

    They not identical but real close. They will not work for a concurs as you receive them BUT you can transpose one or two parts from old to new and no judge in the world would know the difference.




    I admit I do shop around. When prices are close (within 10-15%) I'll ALWAYS GO WITH an American supplier, but "darn" is all I can say on that mark-up.

    Sorry guys.
     
  22. RGigante

    RGigante F1 Rookie
    Owner Project Master

    Nov 1, 2006
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  23. mwr4440

    mwr4440 Five Time F1 World Champ
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    I used the Bosch part number to find it on this site. My car is an '81 308 GTSi.


    PM Sent.
     
  24. RGigante

    RGigante F1 Rookie
    Owner Project Master

    Nov 1, 2006
    2,874
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    Ok, forgot that it is a 308 GTSi, different coil from the 328
    However, the picture shown for the 328 coil is not the same as the original unit.
    I'll ask them ...

    Thanks !!
     
  25. Rod

    Rod Formula Junior

    Jan 18, 2004
    870
    South Derbyshire
    Full Name:
    Rod
    Guys my luck is not good today...

    Gets a call regarding a new coil for a good price, picks it up today and straight home to fit...

    Turns the car over and bingo onto 8 cyls...... let her run for 10 mins and she sounds lovely...

    Takes her for a slow drive to the gas station.. (1 mile) Damn she drops back to 4 cyls?

    switched off and checked all connections, restart and bingo back onto 8 cyls...

    1 mile later back to 4cyls...

    Now parked up for the eve as it is too late to keep starting..

    Anyd ideas?
     

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