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Batman · 02-25-2007, 07:48 AM

Might be injectors. I have a brand new set of stock 55#hr (flow matched) TBI injectors if you want to try them out. I had a similar problem onmy 89 and finally tracked it down to an alternator that was overcharging and f'ing up all my sensors. Put on a new alternator and it was fine, so checking your charging voltage may be a good idea as well. Also check your air cleaner and filter, maybe there is an obstruction in the cleaner itself that is keeping air from getting in there properly. Give your muffler a shake also make sure it is still good (listen for rattles). When you gutted the cat are you SURE you got it all out?

02-25-2007, 07:48 AM	#9
Batman 11 Second Club Join Date: Jan 2005 Location: Fishkill, NY Posts: 1,278 iTrader: (1)	Might be injectors. I have a brand new set of stock 55#hr (flow matched) TBI injectors if you want to try them out. I had a similar problem onmy 89 and finally tracked it down to an alternator that was overcharging and f'ing up all my sensors. Put on a new alternator and it was fine, so checking your charging voltage may be a good idea as well. Also check your air cleaner and filter, maybe there is an obstruction in the cleaner itself that is keeping air from getting in there properly. Give your muffler a shake also make sure it is still good (listen for rattles). When you gutted the cat are you SURE you got it all out? __________________ -Nick 9/11/01- Never Forget 2002 Pontiac Trans-Am WS6 # 206 Chasing 10's 469RWH/437RWTQ 11.05 @ 123 Last edited by Batman; 02-25-2007 at 07:52 AM.