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Thread: TPS 19% at idle?

  1. #1
    Potential Tuner
    Join Date
    Jul 2020
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    8

    TPS 19% at idle?

    I'm new to the HP Tuners. My wife's Impala threw a code for an evap purge valve, and I am replacing that. But I noticed also at idle that the tps sits at over 19%. That doesn't seem right. Anything I should be concerned about?

  2. #2
    Senior Tuner mbray01's Avatar
    Join Date
    Dec 2013
    Location
    Slidell, La.
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    1,015
    Depends on what year it is
    a little more info would be helpfull
    Michael Bray
    Rusty Knuckle Garage
    Slidell, Louisiana
    20yr Master Tech.
    Advanced Level Specialist
    Custom Car Fabrication, Customization, High Performance.
    GM World Class Technician
    Shop Owner

  3. #3
    Potential Tuner
    Join Date
    Jul 2020
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    8
    I suppose so.
    2016 V6 ltz
    Scanning with hp tuner with foot off throttle and idling smoothly...around 19%

  4. #4
    No worries, that is the actual throttle blade. Check Accelerator Pedal position.

  5. #5
    Senior Tuner mbray01's Avatar
    Join Date
    Dec 2013
    Location
    Slidell, La.
    Posts
    1,015
    That would be normal on that car, there is not idle air control valve, it is all done with the throttle blade, so it has to be open to control idle
    Michael Bray
    Rusty Knuckle Garage
    Slidell, Louisiana
    20yr Master Tech.
    Advanced Level Specialist
    Custom Car Fabrication, Customization, High Performance.
    GM World Class Technician
    Shop Owner