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  #13  
Old 09-09-2009, 08:20 AM
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Re: Throttle position question

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Originally Posted by saleen032 View Post
At 100% it would be optimum...you are thinkining degrees....just for example, if the max throttle opening was with the blade at 90 degrees in relationship to the throttle bore, then that would be its 100% opening point...just because the blade is slanted at rest, that has nothing to do with the 100% opening point....now if you start talking degrees, that is a different story.... Now in your drawing, you are thinking degrees and not percentages....which is what we are talking about....say a throttle was only designed to turn 45 degrees, if it turned the whole 45 degrees, it would be at 100%....so degrees and percentage are much different...
thats exactly what i said, i was saying that 100% open would be 90 degrees from were it started. not relation to the bore. so i was using degrees and % together to maybe put an understanding on the whole thing
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Old 09-09-2009, 08:33 AM
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Re: Throttle position question

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Originally Posted by hemi.jon View Post
thats exactly what i said, i was saying that 100% open would be 90 degrees from were it started. not relation to the bore. so i was using degrees and % together to maybe put an understanding on the whole thing
But the fully open position doesnt have to be 90 degrees from rest, it may only be 85 degrees from where it started..It doesnt have to be 90 degrees, and It can still be open 100% even though it only rotated 85 degrees
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Old 09-09-2009, 08:36 AM
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Re: Throttle position question

but if its stoping flat and thats saying its 70% the extra 30 percent would put it at 90 degrees.
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Old 09-09-2009, 10:52 AM
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Re: Throttle position question

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Originally Posted by hemi.jon View Post
but if its stoping flat and thats saying its 70% the extra 30 percent would put it at 90 degrees.

It can still be opening the full 100% but the TPS may be misadjusted or may not read correctly
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Old 09-09-2009, 03:00 PM
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Re: Throttle position question

I guess if I'm not the only one then i'm not worried about it. Rob, does yours do the same thing? Scott?
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Old 09-09-2009, 03:09 PM
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Re: Throttle position question

nope....the blade only opens up to about 73% at WOT......its not opening up 100% but only reading 73%. That means the farthest the blade opens is 73% of its 100% capacity.
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Old 09-09-2009, 06:33 PM
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Re: Throttle position question

I would recalibrate the throttle. Then hook it up and see the result.

Key on, press the gas pedal to the floor slowly and release slowly. then start engine. I may not be remembering this correctly. That gives the PCM the full range of the pedal potentiometer.

I could be way off with this, but it is worth a try.
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