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c5 covertte owners, what is your idle TPS?

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Old 05-21-2004, 12:43 AM
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Default c5 covertte owners, what is your idle TPS?
I dont know if 5% at idle is ok but mine is always at 5% or higher.
Thanks
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Old 05-21-2004, 06:02 PM
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4.71 is were mine idles at 550 rpm.
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Old 05-21-2004, 11:19 PM
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4% TPS at idle - 1200 RPM.
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Old 05-22-2004, 01:16 AM
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ok thanks i guess 5% at 750 RPMS is ok then

dave
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Old 05-22-2004, 09:41 AM
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I think 5% is where it leaves the idle programing. You might want to lower it some.
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Old 05-22-2004, 09:50 AM
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Originally Posted by ataylors
I think 5% is where it leaves the idle programing. You might want to lower it some.
Why do you think it leaves " Idle Programming" at 5% TPS??
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Old 05-22-2004, 10:02 AM
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Well it has to leave it at some point, I think 5% is that point. Not sure though
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Old 05-22-2004, 11:35 AM
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what benefit would there be to lowering it?

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Old 05-22-2004, 01:09 PM
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Depending on the cam used, which trannie is used, TPS would be about 5 to 8% but can be higher when engine is cold.
The TAC (drive by wire) adjusts TPS as required to maintain the idle settings in the PCM idle table.
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