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F355 acceleration problems

Discussion in '348/355' started by power007, Aug 20, 2010.

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  1. power007

    power007 Karting

    Jun 1, 2009
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    #1 power007, Aug 20, 2010
    In neutral it sounds normal, but when I put it in the gear it takes a very long time before it accelerates to speed. The car is very slow, ... When I put it in 1 gear and give full throttle it takes a lot of time before it moves. What can be? Is it the valve guides?

    Thanks.
     
  2. INTMD8

    INTMD8 F1 Veteran
    Owner Silver Subscribed

    Jun 10, 2007
    6,767
    Lake Villa IL
    #2 INTMD8, Aug 20, 2010
    Really not enough information, you'll need to scan the car and look over the data list.

    If I had to guess it sounds more like a lack of fueling than a misfire since you didn't mention it running rough.

    Look for a dirty/faulty mass airflow sensor, low fuel pressure or poor fuel quality.
     
  3. PKF355

    PKF355 Formula Junior

    Nov 12, 2003
    701
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    Patrick
    #3 PKF355, Aug 20, 2010
    If it sounds normal in Neutral and you're having problem getting it to go...

    Could it be your clutch/transmission??

    Agree with above. Need more info to diagnose.
     
  4. Sandy Eggo

    Sandy Eggo F1 Rookie
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    #4 Sandy Eggo, Aug 20, 2010
    What are the RPMs doing? What else are you hearing, seeing, smelling?

    Could be a slipping clutch perhaps...but as INTMD8 says, really not enough info to make a more educated guess.
     
  5. power007

    power007 Karting

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    #5 power007, Aug 20, 2010
    Last edited: Aug 20, 2010

    The strange ting is that the when I give throttle the RPM continuous to rev after I have released the clutch, but the car moves very slowly. And the sound is silent
     
  6. eyboro

    eyboro Formula Junior
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    May 30, 2004
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    #6 eyboro, Aug 20, 2010
    Clutch problem, typical
     
  7. Rob'Z

    Rob'Z Formula 3

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    #7 Rob'Z, Aug 20, 2010
    As stated above it sounds like your clutch is slipping. Much cheaper than a damaged engine. ;-)


    Rob
     
  8. Sandy Eggo

    Sandy Eggo F1 Rookie
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    #8 Sandy Eggo, Aug 20, 2010
    Yep, sounds like the clutch. Check a thread I had recently called "Analyze this" and you'll see some similarities...or do a search on "slipping clutch" and you'll find all kinds of threads that reflect your issue.
     
  9. power007

    power007 Karting

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    #9 power007, Aug 20, 2010
    Thanks:)
     
  10. mike_747

    mike_747 Formula Junior

    Dec 15, 2008
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    #10 mike_747, Aug 20, 2010
    Increaseing revs + no acceleration = dead clutch.
     
  11. PAP 348

    PAP 348 Ten Time F1 World Champ
    Lifetime Rossa Owner

    Dec 10, 2005
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    Pap
    #11 PAP 348, Aug 20, 2010
    Sounds like a worn clutch to me also. :):)

    Easiest way to check Reza is to start the car, put in 4th gear, pull the park brake on night and slowly let the clutch out as if you were to drive away. :):)

    If the engine stalls, the clutch is ok. If the car sits there and "drives", then the clutch is REALLY worn out. :D:D

    Have a chop at that and let us know how you go. :):)
     
  12. power007

    power007 Karting

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    #12 power007, Aug 21, 2010
    Thanks for the tip PAP, the car just sat there and drove:)


     
  13. PAP 348

    PAP 348 Ten Time F1 World Champ
    Lifetime Rossa Owner

    Dec 10, 2005
    100,220
    Mount Isa, Australia
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    Pap
    #13 PAP 348, Aug 21, 2010
    Cool man, time for a new clutch. :D:D

    Dont drive the car anymore, you dont want to score/damage that flywheel. ;);)

    Hopefully its still ok. :):)
     

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