When I rev my car slowly up the rpm band, it will go past 1g, then continue up to about 2g and all of the sudden my engine bogs down from 2g and it will go back down to about 1g, and start the same thing all over again... So its going up to 2g, then back to 1g, up to 2g, etc...

Meanwhile, the butterfly remains steady as to where I have the throttle open to, it is not fluxuating by opening and shutting... it remains constant.

If i give it a hard rev and get it past 2g, there is no more of this bogging and the car runs normally...

Also, when cruising along the road, maybe at say 2.5g or so... ill slowly press the gas and i wont get any response until my vacuum goes below 10 hg... then it just kicks in.

My boost gauge is reading normal vac/boost... but it doesnt read anything until i get that little kick...

My car starts perfectly everytime, and idles as it always has, so I'm not so sure its my spark plugs. I've checked my vac lines numerous times, rerouting to the stock vac lines and just taking off my boost gauge and fmu. This problem arose driving today and I have no clue what it could be...

The car is still drivable, its just jumpy as hell in low gears or when I hit the gas again after being off of it.

Any help is greatly appreciated.

 

loose the FMU man. could be fuel filter/pump, plugs wires/dizzy, check those things

 

timing belt.

 

Doofnoil how positive are you that it is my timing belt?

I don't think it has anything to do with plugs/wires because the thing fires up correctly and idles fine.

As far as my fuel pump goes... This "bogging" only occurs from 2g back down to 1g when warm, and 3g back down to 2g when cold... The rest of the rpm band is fine and my a/f gauge is reading that i'm getting adequate fuel.

 

check TPS voltages.

 

Yeah I'm gonna have a friend do that tomorrow for me...

If that is the case, how exactly do i go about fixing that? or what is causing it to do that at least...