4l60e help !

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Mar 20, 2008 | 11:10 PM

smokeyrider05

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From: Clarkston / pontiac

4l60e help !

i have a 1998 Pontiac trans am with a 4l60e trans and the trans shifts fine during regular driving but when the rpm's are up or mostly during wot the trans wont shift and will hit rev limiter, what is wrong????

Mar 20, 2008 | 11:14 PM

89Formulaws6

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first time out after putting the head and cam he was a quart low wern't you

Mar 20, 2008 | 11:16 PM

smokeyrider05

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From: Clarkston / pontiac

yes trans was low at first, i also haven't gotten a tune yet. and i have a maf code, i heard that a maf code could do that. is this correct???

Mar 20, 2008 | 11:20 PM

performabuilt

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From: BLOOMSBURG PA

Carefull a MAF can kill the trans

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Mar 20, 2008 | 11:24 PM

smokeyrider05

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From: Clarkston / pontiac

so how do i fix this? get a tune or is my maf bad?

Mar 20, 2008 | 11:25 PM

smokeyrider05

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From: Clarkston / pontiac

my maf is ported and descreened would that do it???

Mar 20, 2008 | 11:29 PM

performabuilt

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From: BLOOMSBURG PA

Could you may need to recalibrate

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Mar 21, 2008 | 12:12 AM

smokeyrider05

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From: Clarkston / pontiac

so can a tuner do this?

Mar 21, 2008 | 12:15 AM

performabuilt

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From: BLOOMSBURG PA

Yes a good tuner should be able to handle it easily

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Mar 21, 2008 | 12:15 AM

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SpaZMaN

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Wait, call me stupid, but how can a bad MAF cause trans issues?

Mar 21, 2008 | 12:18 AM

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smokeyrider05

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From: Clarkston / pontiac

alright thanks for the input. i really hope this solves my problem.

Mar 21, 2008 | 12:19 AM

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performabuilt

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From: BLOOMSBURG PA

Maf sensor signals are actually used by the PCM to determine load as one of the inputs. Theres actually a GM TSB concerning this forinstance a over oiled filter can contaminate the MAF and cause trans failure

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