4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

75mm t/b idle problems...

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Old 01-31-2008, 11:15 PM
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Gar4pt6
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Default 75mm t/b idle problems...

i installed a used accufab 75mm t/b this weekend...now the car will idle at 1500 rpms and then drop down after a few seconds as it didnt do before...sometimes it drops from 1500 to 1000 to ~980 which is the norm.....is there something wrong here or what?

thanks guys

Garrett
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Old 01-31-2008, 11:34 PM
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sleeping stallion
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Default RE: 75mm t/b idle problems...

i heard it happen to alot of ppl with it this is what i did and it worked trust me
ppl will tell u to clean ur iac, do it. dont disconnect ur bat cuz all that will do is turn the light off. uwill throw a cel soon.
i had a shop adjust my tps and from there man the car idels like before.
ppl will tell u on here to not mess with the tps.
either that or u will have that problem.
some also say that it takes timie to drop back down... i dont think so
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Old 01-31-2008, 11:35 PM
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sleeping stallion
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Default RE: 75mm t/b idle problems...

one more thing try to adjust ur throttle cable first then go from there
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Old 02-01-2008, 10:12 AM
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Gar4pt6
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Default RE: 75mm t/b idle problems...

bump
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