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Thread: Tps

  1. #1
    Potential Tuner
    Join Date
    Apr 2009
    Posts
    4

    Tps

    Ran Data log and tps goes from 1% at idle and only 38% at full throttle?
    98 F body ls1

  2. #2
    Do you have any codes related to TP sensor?
    1998 Corvette-MN6 stock block&heads ,Blackwing , BBK intake BBK short tube headers,AEM WB, sport cats & exhaust, HPtuners.

  3. #3
    Tuner in Training 346ci's Avatar
    Join Date
    Aug 2008
    Posts
    37
    Check for DTC's x2

    You can also check the TPS by unplugging it and measuring voltage from the dk-blue to black wire. Should be less than 1V at closed throttle and over 4V at WOT, if it is you know that the circuitry is most likely fine and the tps is malfunctioning.