no no no it was doing this before when it was idleing high. the iac fixed the idle problem just this now. do you know where i could find a vac line diagram?

No, I don't have a vacuum line diagram.

I guess I am not clear on what your problem is. With 3 thread, its hard to follow.

Your car was idling high, so you changed the IAC. Now it is idling fine, but it stalls when going into gear?

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1997 GTP - 200k+ miles, PEMs, 3" SS Exhaust w/ Borla Mufflers, 3.4", 180* stat(summer), FWI, 1.84 RR, PT, SLP hood, KYB GR2s, GMPP Handling Kit, etc...

yes that is exactly correct, but its fine in reverse. only messes up in drive gears

Did you let the car idle enough to where it is warm?

And can you rev the engine a little bit, maybe 1500 RPMs and pull it into gear and it will be fine and drive? Or hold your foot on the brake and keep it from dying?

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1997 GTP - 200k+ miles, PEMs, 3" SS Exhaust w/ Borla Mufflers, 3.4", 180* stat(summer), FWI, 1.84 RR, PT, SLP hood, KYB GR2s, GMPP Handling Kit, etc...

yes the car is warm. no even if i rev it it will just die, no matter what. it seems that it wants to die more when i hit the gas

That sounds like a fueling issue. Check the fuel filter to see if its clogged. Is there any ses lights? When you start the car let it run untill it heats up to operating temp and see if that happens. Keep us posted

you can get a vacuum diagram from a haynes manual for the car. were you able to drive the car at all before these things happened?

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2001 GTP street car- GT45 turbo,Stage 4 Intense turbo cam,FMIC,150 wet, double roller timing chain, Diamond forged coated pistons 8:0:1, Diamond piston rings, cryoed L32 connecting rods, Cryoed crank, Clevite77 main bearings, Clevite77 cam bearings, Clevite77 L32 rod bearings, ARP Everything, Intense/meizere true billet Flexplate, Custom UIM, Intense oil pressure kit, Cometic 4 layer head gaskets, OE-R lifters, Cryoed L67 block, ATI turbo dampner, MUCH MORE, 6 more to choose from ASE Certified

yes it was running perfect before this. i talked to a master mechanic and he said its probably in the tranny. ??????