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Thread: 95 buick century

  1. #1
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    95 buick century

    hi all,
    i have a 1995 buick century 120HP 2.2l l4, and i was wondering where id get the codes and how id flash it, i think its OB1, uses OB1 ALDL connector, but the pinouts arent the same, can anyone help me?

  2. #2
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    also, id like to play with the shifting and such on the auto trans

  3. #3
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    its obd1 flash...try tunercat...hptuners is obd2 only currently.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  4. #4
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    ive looked at tunercat, but would it be compatible with my car?

  5. #5
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    never looked into it.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  6. #6
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    now, is the obd1 flash connector pinout different from the norm obd1? ive tried to read it like i read my 89 s-10's obd1 and it didnt work, any diagrams would be of great help

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    i found that, idk

  8. #8
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    Quote Originally Posted by compudude86
    also, id like to play with the shifting and such on the auto trans
    I am inclined to believe that it doesn't have an electronic controlled trans, so PCM tuning won't control that.
    I think all 2.2s in 95 had 3spd transes which weren't E-controlled.

  9. #9
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    Quote Originally Posted by compudude86
    now, is the obd1 flash connector pinout different from the norm obd1? ive tried to read it like i read my 89 s-10's obd1 and it didnt work, any diagrams would be of great help
    Since it is OBD1, it isn't a flash connector, its a diagnostic connector.

  10. #10
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    From 92'ish (Saturn) up through 95 GM did use the ALDL port for programming (LT1's 94-95). The real determining factor is whether or not there is an onboard chip in the PCM or flash ROM.
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