355 - F355 Stuttering | Page 3 | FerrariChat

355 F355 Stuttering

Discussion in '348/355' started by goodcoffeecode, Dec 18, 2021.

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  1. goodcoffeecode

    goodcoffeecode Karting

    Dec 18, 2021
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    Chris Arnold
    #51 goodcoffeecode, Dec 28, 2021
    Excellent, thanks. I've ordered the cable adapter and a scanner, so hopefully they'll be here tomorrow.
     
  2. johnk...

    johnk... F1 World Champ
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    #52 johnk..., Dec 28, 2021
    Theair injection pipe being loose could be the cause of the Slow Down light flashing. To much unburnt fuel getting into the cats and they over heat.
     
  3. Qavion

    Qavion F1 World Champ
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    #53 Qavion, Dec 28, 2021
    Which company did you order the adaptor from? Some adaptors may have oversized pins. Avoid the "Goliton" brand.

    If you need more information on the wiring going into those extra engine harness plugs, the plugs are numbered accordingly:

    Image Unavailable, Please Login
     
  4. goodcoffeecode

    goodcoffeecode Karting

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    #54 goodcoffeecode, Dec 28, 2021
    Ah, I literally just order this: Goliton® OBD OBD2 16 Pin Connector Diagnostic Adapter for FIAT 3 Pin: Amazon.co.uk: Computers & Accessories.

    Are any of these better?

    Qiilu 3 Pin to 16 Pin OBD2 Adapter Connector Diagnostic Cable for Fiat Alfa Lancia: Amazon.co.uk: Automotive

    Diagnostic Cable, 3 Pin to 16 Pin OBD2 Adapter Connector Diagnostic Cable replacement for Fiat Alfa Lancia Diagnostic Cable : Amazon.co.uk: Automotive
     
  5. Qavion

    Qavion F1 World Champ
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    #55 Qavion, Dec 28, 2021
    What are all these loose wires (circled)? Something you were inspecting?

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    Keep an eye on the power steering reservoir cap. The older type sometimes splits and fluid spills out.
     
  6. Qavion

    Qavion F1 World Champ
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    #56 Qavion, Dec 28, 2021
    Not sure, but the Amazon star rating may be a clue. The Goliton brand shows only 3 stars.
     
  7. goodcoffeecode

    goodcoffeecode Karting

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    #57 goodcoffeecode, Dec 28, 2021
    Pretty sure those wires are for a trickle charger.
     
  8. goodcoffeecode

    goodcoffeecode Karting

    Dec 18, 2021
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    #58 goodcoffeecode, Dec 28, 2021
    OK, started it up and let it warm through for 5 mins. Sounded "ok", but my ears aren't yet attuned to what "normal" sounds like. Once warm, it did seem to rev freely to about 4k revs. Time to drive it around the block...
     
  9. goodcoffeecode

    goodcoffeecode Karting

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    #59 goodcoffeecode, Dec 28, 2021
    Hmm, that didn't work. I think it's definitely a misfire. Can really start to hear the bup bup bup. I'll get the spark plugs out tomorrow.
     
  10. 26street

    26street Formula Junior

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    #60 26street, Dec 28, 2021
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    This tool from snap on is a easy way to find which cylinder is missing with out removing the plug wire and damaging the coil
    you can find cheap on eBay and other sites

    Weak and miss firing will damage the cats and make them overheat so driving or even running for long periods of time till fixing the problem can really hurt the cats so the faster you find the problem less expensive the repair will be


    Sent from my iPhone using FerrariChat.com mobile app
     
  11. Shorn355

    Shorn355 F1 Veteran
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    #61 Shorn355, Dec 28, 2021
    Yep - or simply won't tighten fully and fluid seeps out - Fortunately replacing the reservoir (comes with cap - can't just do the cap) is one of the least expensive things on 355 and easily obtained from various sources - I always prefer Ricambi but your call - Cheers :)
     
  12. Shorn355

    Shorn355 F1 Veteran
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    #62 Shorn355, Dec 28, 2021
    Agree - precisely where my Battery Tender is connected and pigtail exits - the pos/neg posts are under that cover -
     
  13. yelcab

    yelcab F1 World Champ
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    #63 yelcab, Dec 28, 2021
    Where did you get this car? Did you not have it inspected before buying?
     
  14. goodcoffeecode

    goodcoffeecode Karting

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    #64 goodcoffeecode, Dec 28, 2021
    Bought from an independent dealer. Car had only recently had a major service and has run really well until this. It's also still under the dealer's warranty.
     
  15. Qavion

    Qavion F1 World Champ
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    #65 Qavion, Dec 28, 2021
    I haven't really looked into these. It looks like they are hard to find (new)... P/N 167002. I see some are fitted with aluminium Ferrari caps:

    https://redbaycars.com/webshop.html#!/ferrari-f355/products/oil-tank-with-cap-f355-0x2f-360-part-nr-167002

    The tank is relatively cheap, so just P&H and labour.
     
  16. johnk...

    johnk... F1 World Champ
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    #66 johnk..., Dec 28, 2021
    Mine (95) is original and no problem. I have suspected for a long time that the real issues are 1) over tightening the car which splits it, or 2) the tank is mounted too low and the cap contacts the plastic piece that covers the throttle linkage before the cap is tight.

    Anyway, no big deal. BMW part $10 at Rock Auto (1989 BMW 325i)
     
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  17. yelcab

    yelcab F1 World Champ
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    #67 yelcab, Dec 28, 2021
    Then why are we worrying about this when it is still under the dealer's warranty?
     
  18. goodcoffeecode

    goodcoffeecode Karting

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    #68 goodcoffeecode, Dec 28, 2021
    I was hoping it was something simple i could fix myself over the Xmas period - possibly too much of the Caterham owner in me?
     
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  19. 26street

    26street Formula Junior

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    #69 26street, Dec 28, 2021
    If you can get a detailed report on what the problem was and post it please I would like to know


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  20. Qavion

    Qavion F1 World Champ
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    #70 Qavion, Dec 28, 2021
  21. Shorn355

    Shorn355 F1 Veteran
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    #71 Shorn355, Dec 28, 2021
  22. Shorn355

    Shorn355 F1 Veteran
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    #72 Shorn355, Dec 28, 2021
    Hmmm - mine was not split and mounting was fine - just wound not tighten - no biggie as you said - Cheap fix :)
     
  23. johnk...

    johnk... F1 World Champ
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    #73 johnk..., Dec 29, 2021
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  24. goodcoffeecode

    goodcoffeecode Karting

    Dec 18, 2021
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    #74 goodcoffeecode, Jan 2, 2022
    Bit disappointing today... Got the car adapted to accept a standard OBDII diagnostic tool (Fiat 3 Pin converter plus power from 12V plug), but the bluetooth tool I bought isn't pairing to anything :(. Anyone had any experience using a vGate iCar Pro please? Red light (power) is on, and blue light (bluetooth) is flashing, Ta.
     
  25. Qavion

    Qavion F1 World Champ
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    #75 Qavion, Jan 2, 2022
    Immobiliser off?
     
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