95 TPS replace
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Northstar Engines and System Technical Discussion Discussion, 95 TPS replace in Cadillac Engine Technical Discussion; when i replaced my TPS on my 95 sts i dont think i set it to the right position. the ...
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    95stsrider is offline Cadillac Owners Fanatic
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    95 TPS replace

    when i replaced my TPS on my 95 sts i dont think i set it to the right position. the reason i belive this is because now my car wont shift into 4th gear. i have no clue what to do. im going back out side to try and adjust the TPS again to see it that works. any help at all would be good. thanks LA

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    JimLucky's Avatar
    JimLucky is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    Thats an indication of a bad conection to the sensor because with the TPS
    disconected your trans wont go in overdrive/4th but the car will run.

    Make sure no pins are bent or broke on the new TPS.

    Inspect the TPS wiring harnes for a broken wire.

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    ok tis 10.30 and i just went out and checked the connector and the TPS and there are no bent pins or wires broke that i can see. is it possible for the connector to actually go bad? is there a way that ican just ohm out the wires to checkif they are broken? thanks LA

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    Re: 95 TPS replace

    Somthing sounds fishy to me about the new TPS unless you had this prob with
    the old TPS.I would remove the new TPS before tracking down wires and put the old one back in and check your gears or just take the new one back and tell them it may be defective and make sure they didnt give me the wrong TPS and instal
    the new one and chech your gears.

    If you dont have 4th/overdrive its time to start ohm it out for an open circuit.

    The reason I am saying this is the trans uses a refrence signal from the TPS not a throttle cable like most trans
    do.

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    i was thinking the same thing about the new one being bad. the only problem is i threw the old one away so i guess i will just take this one back and try another one. ill let you know the outcome. thanks LA

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    OK so i went and got a new TPS and it still says i have a code p022, and the "service engine" light is on. if you are standing on the driver side looking at the intake you will see 2 pulleys on the throttle body. when ever i pull the battery loose and reconnect it as soon as the key is turned on you can see and hear this pulley moving. it sounds like a popping noise on plastic as if the pulley shaft is not catching on the TPS. any help at this point would be good. thanks LA

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    bump...any ideas

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    parts68 is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    If you have a multi meter you can check the tps voltage.
    At idle it should be under .80 volts.
    At WOT it will be 5volts.
    It sounds like your speed control is acting up.
    Cheapest place Ive found is autozone at under $60.
    GM wants $160 for same.
    Have you done the TPS relearn?

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    what is the TPS relearn?also how difficult is it to replace the speed controler? thanks LA

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    also does the speed controller decide wethier the car can shit into over-drive?

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    back to the top..if any one knows any thng im missing please post it up. im tring to get this car running tip-top so i can let my aunt drive it while im gone out of town. thanks LA

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    Re: 95 TPS replace

    Code P022 is Open TPS signal (VCC) wich is indicating a open circuit wich is usualy a broken wire in the TPS harnes.

  14. #13
    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    can i just buy that conector? where from? or do i have to run new wires? thanks LA

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    Re: 95 TPS replace

    You should ohm out the harnes with a multi meter , a continuity test.If I remember corectly the TPS harnes feeds into a larger wiring harnes.I would usualy insert a srait pin one thats a conductor into each TPS wire just before it runs into the larger harnes and to the corasponding female pin on the TPS harnes.With the Battery disconrcted .

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    95stsrider is offline Cadillac Owners Fanatic
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    Re: 95 TPS replace

    alright then i guess ill try and ohm out the wires tomorrow. thanks for the tip. ill keep everyone posted. peace LA

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