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new weird problem rpms jumped all the way down almost dies

Posted by Norcalgsx707, Oct 10, 2012

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  1. Norcalgsx707

    Norcalgsx707 Proven Member

    485
    0
    Joined Jun 28, 2012
    lake county, California
    So I discovered a weirdo problem today whats new, im going up this hill at my college i give it gas just to get up this hill
    as soon as i let off the rpms dipped all the way down and almost kills the car, i have a cel on but its telling me I have a tranny problem bad sylanoid which cant be true i just changed them, anyways the car does idle hi whne i n park after driving it for a cpl minutes, anyone got any clue as to whats going on, Low transmission fluid? bad Iac? bad tps timing? any help works thanks

    P.s I just modded my car a 255hp, a fpr, boost control, cold air, and a big 16g
     

    434  0

    1995 Mitsubishi Eclipse GSX
    automatic · 2G DSM
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  2. undefined0000

    undefined0000 Proven Member

    769
    0
    Joined Sep 2, 2012
    Findlay, Ohio
    Wine could coming from the transfer case. Checked that out lately?
     
  3. Spoolin92GSX

    Spoolin92GSX Proven Member

    430
    2
    Joined Oct 4, 2011
    Inland Empire, California
    Might be a given, but did you disconnect the battery after replacing the solenoids and installing all those parts?
    What did you set your base fuel pressure at (with vacuum disconnected)?
     

    743  0

    1997 Mitsubishi Eclipse GST
    manual · 2G DSM
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  4. Norcalgsx707

    Norcalgsx707 Proven Member

    485
    0
    Joined Jun 28, 2012
    lake county, California
    I dint really set it it seemed set but it deffiently smells rich I didnt really understand how to set it right?

    I just went and adjusted it at 44 with the vaccum disconnected its running 41 with it connected should i make it higher

    yeah battery was dissconected when i changed the sylanoids
     

    434  0

    1995 Mitsubishi Eclipse GSX
    automatic · 2G DSM
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  5. crazyquik22023

    crazyquik22023 Proven Member

    610
    5
    Joined Sep 14, 2008
    Akron, Ohio
    Boost leak test? Could be a simple vacuum leak somewhere.
     

    850  0

    1998 Mitsubishi Eclipse GST
    12.900 @ 115.000 · 2G DSM
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  6. Norcalgsx707

    Norcalgsx707 Proven Member

    485
    0
    Joined Jun 28, 2012
    lake county, California
    whats a good cheap way to test soap and water seems to evaporate too quick how about seafoam?
     

    434  0

    1995 Mitsubishi Eclipse GSX
    automatic · 2G DSM
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  7. Spoolin92GSX

    Spoolin92GSX Proven Member

    430
    2
    Joined Oct 4, 2011
    Inland Empire, California
    Soapy water is the best way. You're using a compressor to pressurize the system right? Can you hear any leaks/does pressure hold on your gauge (boost gauge or on the tester)?

    As for the fuel pressure that's normal, once vacuum is connected it will drop a little.
     

    743  0

    1997 Mitsubishi Eclipse GST
    manual · 2G DSM
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  8. crash89

    crash89 Proven Member

    1,994
    147
    Joined Mar 5, 2008
    Janesville, Wisconsin
    Heres some videos on boost leak tests... Boost Leak Testing - YouTube

    Also please you proper spelling, punctuation, and grammar. Its in the rules you agreed to upon signing up to this site..
     

    5K  4

    1999 Mitsubishi Eclipse Spyder GST
    awd · manual · 2G DSM

    4K  10

    1999 Mitsubishi Eclipse Spyder GST
    11.043 @ 125.92 · 2G DSM
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