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Thread: Car stalls under acceleration

  1. #1
    Join Date
    Feb 2013
    Location
    san antonio, tx
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    382
    My Cars
    91 535i 00 740i sport 98

    Car stalls under acceleration

    With transmission not engaged the engine runs fine and accelerates fine. When i put it in gear and try to drive the engine starts sputtering and stalls. right before i had it towed to the shop it threw a ck engine code but i didnt have my code reader with on the side of the road. Any ideas. Againg it sputters and stalls only under load.

  2. #2
    JimLev's Avatar
    JimLev is offline Artifically Aspirated Moderator
    Join Date
    Oct 2006
    Location
    Sundance Mesa, NM
    Posts
    19,821
    My Cars
    00 540/6, '16 Highlander
    Which car? 91 535 or 00 740?

    have you looked at the intake air boots for cracks.
    Last edited by JimLev; 03-20-2023 at 10:00 AM.

  3. #3
    Join Date
    Aug 2013
    Location
    Champaign, Illinois
    Posts
    1,972
    My Cars
    2003 540i/6 Msport Sedan
    Vacuum leak would be my first thought, like Jim said the air intake boots, intake manifold gaskets, hoses, etc..
    A great ending is all you'll see..
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  4. #4
    Join Date
    Mar 2012
    Location
    Lansdale, Pa
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    7,043
    My Cars
    98 540 6, SC'ed, 16psi
    Likely vac leak as stated, but read the codes and get back to us.
    98 540i 6, 525 whp, 120 mph 1/4, V3 Si S/C'er @16 psi, W/A I/C, Water/Meth, Supersprint Headers, HJS Cats, 3" Custom Exhaust, UUC Twin Disc, Wavetrac LSD, GC Coil Overs, Monoball TA, AEM FP, Aeromotive FPR, AEM Failsafe AFR/Boost, Style 65's w/275's, M5 Steering Box, Eibach Sways, M3 Shifter, Evans Coolant, 85 Deg Stat, PWM Fan, 10" Subs, B.A. speakers, Grom Aux/BT, Still Rolling as my DD!

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