How do you adjust the TPS on a 1985 Corvette?

  • Turn the ignition to the ON position without starting the engine.
  • Loosen the TPS Torx adjustment screws.
  • Measure the voltage between the two top TPS wires.
  • Adjust the TPS by rotating its position until you get a reading of .
  • Tighten the Torx screws and recheck the voltage.
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    What is the TPS on a Corvette?

    About. Chevrolet Corvette Throttle Position Sensor (TPS) via

    What should a 1985 Corvette idle at?

    base idle speed for a 85 was 450rpm,later gm reccomended base idle speed reset to 550rpm. via

    How do you check the codes on a 1985 Corvette?

    Turn the key on but don't start the car. Watch the Check Engine Light flash. You should get 3 "12" codes at the beginning, then any stored Diagnostic Trouble Codes, then 3 "12" codes at the end. A "12" code would be as follows: Flash, pause, flash flash....followed by a long pause. via

    What should a 1988 Corvette idle at?

    Around 800 in park/neutral sounds right. 500 seems a little low for being in gear. Mine usually is around 600 - 650 maybe. It sounds like the IAC is not working properly. via

    How do you adjust the idle on a 1987 Corvette?

  • Warm the engine.
  • Ignition "Off, engine "Off".
  • Turn ignition to "On".
  • Wait 30 seconds, then unplug the IAC connector.
  • Turn the ignition "Off".
  • Remove the ALDL jumper.
  • Start the engine and adjust the minimum air to the specified (desired) rpm.
  • Shut off engine, connect IAC.
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    Is a 94 Corvette in obd1 or OBD2?

    The 1994 and 1995 model year still used the OBD-I system even though they have 16 pin connectors. The 16 pin connector in the 1996 C4 is used for the much more complex OBD-II system and a scan tool is required to discover the OBD-II system's secrets. via

    How do you check the codes on a 1987 Corvette? (video)

    Does 1994 Corvette have OBD2?

    For all practical purposes the 94 is a OBD 1 system. But it does use the OBD2 ALDL connector. via

    How do you adjust the idle on a 1994 Corvette?

  • disconnect the IAC harness (lower right of the TB).
  • turn on the key. This will put the IAC into "reset mode".
  • turn off the key and reconnect the IAC harness.
  • Start the car, buy holding your foot LIGHTLY on the gas.
  • turn off the car and release the gas.
  • restart, and all should be ok.
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    How do you calibrate a throttle body sensor? (video)

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