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Car lundges/creeps at start up?

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Old Aug 26, 2007 | 12:40 PM
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From: fort worth, tx
Question Car lundges/creeps at start up?

new trans. 50mi.
new verter. 50mi.
stock maf, etc.
stock pcm tuning.
(tuning software available)
at start up the car lundges/creeps in park. both cold and warm.

normal?
need to know if its a prob and how to correct it if it is.

thanks in advance.
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Old Aug 26, 2007 | 01:21 PM
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This slight forward pull in nuetral or park at start up is normal since the internal assemblies suddenly move then , Its the same thing that causes the wheels to spin in neutral with the wheels raised , There is some limited power transfer through friction and fluid coupling that occurs.
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Old Aug 26, 2007 | 01:25 PM
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kewl.

thanks frank!
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Old Aug 27, 2007 | 07:28 PM
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From: jacksonville, fl
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and its more prevalent with a performance tranny where the clraernces are set a little tighter
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