Won't Shift Into 3rd At WOT Help!!

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Jul 13, 2002 | 02:06 AM

XAntivenomX

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From: Howell, MI

Won't Shift Into 3rd At WOT Help!!

Sometimes the car will shift into OD as soon as possible and will stay there unless manually downshifted, but then will go back to OD after a second or two. Shifting is also kinda erratic(sp?) sometimes it'll shift very hard, but other times it is very soft and easy. At WOT sometimes it won't shift into 2nd, but will not shift into 3rd or 4th unless I let off for about a half a second. I am getting a TPS code, an MAF code, and a tranny code. We(MTI and I) were thinking it was a bad TPS, but I replaced it with a brand new one, and the problem persists. I have reset the PCM a couple times and that didn't help either.
I'm thinking maybe it's the MAF?
Any ideas?

Jul 13, 2002 | 06:45 PM

TomQ

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Re: Won't Shift Into 3rd At WOT Help!!

change your shift points, if u installed your TC
nothing else to add

<small>[ July 13, 2002, 06:46 PM: Message edited by: TomQ ]</small>

Jul 13, 2002 | 08:57 PM

XAntivenomX

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From: Howell, MI

Re: Won't Shift Into 3rd At WOT Help!!

MTI changed the shift points and the rev limiter when they did the tuning after the cam. The converter has not been put in yet. It is not just bouncing off the rev limiter, I am getting codes.

Maybe this should be moved to the Computer Diagnostics Board.

<small>[ July 13, 2002, 09:50 PM: Message edited by: Anti Venom ]</small>

Jul 14, 2002 | 03:27 PM

XAntivenomX

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From: Howell, MI

Re: Won't Shift Into 3rd At WOT Help!!

ttt

Jul 15, 2002 | 09:06 AM

Ragtop 99

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Re: Won't Shift Into 3rd At WOT Help!!

I'll leave this topic here for now. If you are getting codes, you can add them to this post and start a topic on those codes in Computer.

Have you talked to MTI about this? Try putting your stock MAF on and see if that helps.

Jul 15, 2002 | 11:39 AM

XAntivenomX

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From: Howell, MI

Re: Won't Shift Into 3rd At WOT Help!!

Haven't had a chance to talk to MTI yet. Will call them this afternoon. The car is at a local shop getting the converter, shift kit,etc put in. They are gonna check it out while its there.

I don't have another MAF, I just have new ends.

Jul 15, 2002 | 02:02 PM

Ragtop 99

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From: Bethesda, MD

Re: Won't Shift Into 3rd At WOT Help!!

Check with MTI and make sure they didn't increase your shift firmness. You don't want to add extra computer driven line pressure on top of a shift kit.