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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Issues with throttlebody? ~ actual throttle position



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      08-14-2014, 10:30 AM   #1
chitownf4st
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Issues with throttlebody? ~ actual throttle position

Hi...

I am wondering if one of you has any suggestions on this topic. I am not quite sure why but my throttle does not appear to open up more then 80%. I tested this using INPA and throttle does not open any more then 80%... do I need a new throttle body? I also verified this is the case monitoring the live feed on the openflash tablet.

Could there be a kink the the vacuum line or is there a pump that controls this operation?

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      08-14-2014, 11:05 AM   #2
KaiserN54
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Do you have a piggyback? I had this problem once and it turned out to be a loose pin in the piggy's wiring harness
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      08-14-2014, 11:16 AM   #3
BlackBB6
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Pedal position should read 99 at wide open throttle, and TPS actual maxes out at 80-81. What you're seeing is normal if you're looking at the throttle position actual value.
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      08-14-2014, 11:41 AM   #4
Jeff@TopGearSolutions
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80% is actually 100% on OFT.

Quote:
Originally Posted by BlackBB6 View Post
Pedal position should read 99 at wide open throttle, and TPS actual maxes out at 80-81. What you're seeing is normal if you're looking at the throttle position actual value.
+1
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      08-14-2014, 12:14 PM   #5
chitownf4st
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Thanks for clearing that up guys.
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