I can drive at a normal pace and everything is fine but if i want to give any kind of acceleration above normal driving it bogs bad and doesnt do much of anything. and if i hold it to the floor it just kinda craps out and will surge just a little, doesnt die though. I was getting a light with codes 32,33,34,45. I took the MAF? off and cleaned it out and repaired the pigtail. Its not throwing a light and I havent checked for codes since but no change in performance.

I went in and replaced a bunch of deteriorating vacuum lines, not quite all of them but 90%. I got the bad ones replaced anyway. I also went in and clean the MAF? (whats inline on the intake) and repaired its pigtail. it still acts the same, so I will include a vid just to kinda clarify what I mean its doing. btw after cleaning the MAF i only get a check engine light 20-30% of the time

http://i301.photobucket.com/player.swf?fil...yd/112_5859.flv


after the initial rev, im hlding the pedal to the point where i should be revving quite a bit higher but it just drops to about 22-2500..... It acts the same when driving allowing me to accelerate just above grandma style.

based on the advice of someone else I replaced the TPS along with the fuel filter. For a brief period (a matter of 45 seconds) after installing fuel filter and TPS (i had forgotten to plug the IAC back in) the car wasnt 100% but there was a huge difference.... after that initial period it ran like crap and died. I then remember that I had forgotten to plug the IAC in and fixed that... now after doing that and adjusting the TPS to .55v, I am back at square one, runs exactly the way it did before I started

Today I pulled the fuel pump and checked the sock to make sure it wasnt gunked up or collapsed in on itself, I replaced the small section of hose that connects the pump to the line and that help a bit with the fuel pressure, also adjusted the timing... then ran outta day light, no improvement, in fact its worse....... I went from being able to do 90mph to barely 65mph

 

My 91 TA was doing something like that a few years back and it was an exhaust problem. I replaced the cat converter and it worked like a charm. Your problem is slightly different, but you might look into the exhaust. Other than that, its gotta be a O2 sensor or some other sensor.

 

Can't be the cat, there isnt one. I've never known an O2 to cause that much of a problem but I guess it couldnt hurt to try

 

that would have been my guess is the cat also, I would also try te O2 sensor and also maybe check for bad plugs or wires

 

I'm still thinking exhaust. From what I saw in your vid I can recall what mine was doing and it looks similar. You might have to mandown and wheel it into a midas for a quick look.

 

With no cat I just dont see it being exhaust, I will definitely check O2 and plugs/wires

 

What is your fuel pressure doing when all of this is happening?

 

I just got through fighting same problem.First i found that the guy before me had installed new plug wires but had 2 crossed.Fixed that real easy and car ran excellent for 10 minutes and back to acting same.Coincidentally the injector went out,only 1 was spraying.Now car runs like new after changing injector

 

I'm with five7kid on this . What is your fuel pressure doing ?

 

Did you ever figure out what was going on. My car is doing the same thing but it only does it under any kind of load going down the road. If I sit in the driveway and do it, it will not sputter but try to gt out in traffic and you have a death wish.

If I get out in traffic nice and easy it will go ok but if I need accel not a chance.

Hope you have some good news!

 

first check your fuel lines for kinks or clogs. I was getting proper pressure but not proper volume for fuel. I had a kink in the fuel line near the tank