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Thread: 2000 deville keeps accelorating

  1. #1
    Bobby Wilkerson's Avatar
    Bobby Wilkerson is offline Cadillac Owners Member
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    2000 deville keeps accelorating

    When i start the car its idled high and when i put it in gear it jerks and i dont have to hit the gas to pull off. It steadily speeds up got up to 45 without hitting gas would go higher but i hit the brakes. Any idea guys thanks.


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  3. #2
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    Re: 2000 deville keeps accelorating

    mine is doing the same thing its probly the idle control valve

  4. #3
    Ranger's Avatar
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    Re: 2000 deville keeps accelorating

    More likely the TB needs a good cleaning.

  5. #4
    SGWORLDWIDE Guest

    Re: 2000 deville keeps accelorating

    What about the TPS?

  6. #5
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    Re: 2000 deville keeps accelorating

    yea you can clean the tb thats what i did to mine it mite come back

  7. #6
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: 2000 deville keeps accelorating

    Quote Originally Posted by Bobby Wilkerson View Post
    When i start the car its idled high and when i put it in gear it jerks and i dont have to hit the gas to pull off. It steadily speeds up got up to 45 without hitting gas would go higher but i hit the brakes. Any idea guys thanks.
    ----------------------------------
    check/clean the throttle body - like Ranger suggested -

    also check for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS

  8. #7
    purelux is offline Cadillac Owners Enthusiast
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    I had same problem combination of IAC and bore needed cleaned and o ring on it was gone needed replaced.

  9. #8
    houg is offline Cadillac Owners Fanatic
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    Re: 2000 deville keeps accelorating

    i had the same problem twice, floor mat was on the gas pedal

  10. #9
    Bobby Wilkerson's Avatar
    Bobby Wilkerson is offline Cadillac Owners Member
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    Re: 2000 deville keeps accelorating

    been on vacation now back to the ride
    the dtc's are as follows:
    ABS C1234
    AMP U1000
    IPM 0429
    PCM P0463
    RIM C0660

    CLEANED TB SEVERAL TIMES STILL REVING VERY HIGH WIYHOUT TOUCHING GAS

  11. #10
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    Codes are meaningless without their definitions.

  12. #11
    Bobby Wilkerson's Avatar
    Bobby Wilkerson is offline Cadillac Owners Member
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    Re: 2000 deville keeps accelorating

    What is the bore

  13. #12
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    ISC bore? The hole it sits in.

  14. #13
    Ranger's Avatar
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    Re: 2000 deville keeps accelorating

    It's the hole that the center line of #43 goes into.


  15. #14
    Bobby Wilkerson's Avatar
    Bobby Wilkerson is offline Cadillac Owners Member
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    Re: 2000 deville keeps accelorating

    P0463 Fuel Level Sensor Circuit High Input
    C0660 Level Control Exhaust Valve Circuit Malfunction
    C1234 LR Wheel Speed Circuit Open or Shorted
    U1000 Class 2 Communication Malfunction
    b0429 Temperature Control #3 Rear Circuit Range/Performance

  16. #15
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    None of them are related to your problem.

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