Car stalls when changing gears, ideas?

Discussion in 'OT Driven' started by sam758, Jan 13, 2008.

  1. sam758

    sam758 OT Supporter

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    When my Ford (automatic) changes gears e.g. flooring the gas, or going up a hill, it sorta stalls. When I mean sorta, sometimes the engine dies completely, other times the engine is still on but pressing the gas does nothing. Any idea what may cause this? thx.

    ended up that the relatively new air filter i had in there was broken or something and ended up clogging something up when i floor the gas. car works after replacement and got some stuff flushed
     
    Last edited: Jan 16, 2008
  2. notaniceperson

    notaniceperson -I'm an ASSHOLE!

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    compression leak. engine is dying.
     
  3. deusexaethera

    deusexaethera OT Supporter

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    The ECU is probably reducing engine torque every time the transmission shifts in order to reduce wear on the transmission parts. If your engine isn't running well to begin with, then reducing the engine torque while the driveline is under load could cause it to stall out.
     
  4. Bugalu

    Bugalu OT Supporter

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    What kind of car? year?
     
  5. sam758

    sam758 OT Supporter

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    1997 ford escort, worst car evar
     
  6. Bugalu

    Bugalu OT Supporter

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    Well theres your problem! :rofl:

    Ignore deusexaethera he's a fuckin idiot.

    as for why its stalling, does it do it every time it switches gears, or only under full throttle?
     
  7. sam758

    sam758 OT Supporter

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    i can always get the car started and going in the lower gear, but when i try to get to high way speeds or go up long inclines, it dies..
     
  8. you know me

    you know me OT where the douchbags play

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    let me see if I'm understanding this correctly:
    you're going up a hill
    you give it gas
    car doesn't move?

    or:
    you give it gas
    car does shit
    hill or no hill?
     
  9. deusexaethera

    deusexaethera OT Supporter

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    One of my coworkers has a 1999 Escort. He was having trouble with it stalling out until he got the thermostat replaced and had something (other than basic cleaning) done to the throttle. Sorry, I don't remember exactly what it was. Anyway, it ran like a champ after he had that done.

    EDIT: I think they replaced the throttle position sensor -- but if yours were malfunctioning, it would affect the transmission's shift pattern too. It would drop into lower gears at all the wrong times.
     
    Last edited: Jan 13, 2008
  10. Mr3GTP

    Mr3GTP OT Supporter

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    Fuel filter?
     
  11. sam758

    sam758 OT Supporter

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    for hills, it moves if i keep it in a low gear like going at like 10 mph, if i try going any faster, i feel a bump and after that, when i press the gas pedal the car doesn't do anything so i am just drifting.

    if there is no hill, i can slowly go up to like 50 mph, but when i floor the gas to accelerate onto the freeway, it will exhibit the same thing.
     
  12. you know me

    you know me OT where the douchbags play

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    this could be an ecm issue, but you have a throttle cable not electronic, could be a kick down cable, could be TPS.... have you taken it to a garage?
     
  13. sam758

    sam758 OT Supporter

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    not yet, just happened. thinking about it on monday, but if its going to be expensive, might as well junk the car.
     
  14. jeff2577

    jeff2577 OT OG

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    Good start and a cheap part to replace. It definately sounds like a fuel delivery issue as it is only exhibited when mashing the gas. Get a fuel pressure gauge and check it while driving it.
     
  15. sam758

    sam758 OT Supporter

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    ok, will do. thanks guys
     
  16. Fareo

    Fareo New Member

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    clearly needs more horsepower
     

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