^^Thats what I already did on the narrow band. It was just suggested above to replace it with an OEM one since there's shielding?

I wasn't looking forward to paying ~50 for a new one... So if I can avoid it I'd like to.

Tex, the WB was brand new.

 

My wideband reads that way at idle, but I think that's due to the air pump adding air at the exhaust ports making the wideband read high. If he doesn't have an air pump though, yeah, that's way too lean.

 

I dunno then.... rotaries man, ECU? if its not electrical, a vacuum leak, or seal invlolved, then it's god, saying we're all idiots, buy a regular car.

 

I still have my air pump. I was under the impression it only added air to the cat on a T2 motor??

Also, what would cause my car to lean out by a point when idling and putting the car in gear?

 

It's probably the air pump then. For an experiment, cap the inlet line off and see what the sensor says.

 

Or just pull the belt off the pump.

 

Replaced the TPS this weekend with an S5 NA model. Ran great for a short run round the block and to my local sears. However, on the freeway this morning, it would not run stoich at closed loop (if it was even going in to closed loop) and the bucking/surging came back when I accelerated...

The chances seem pretty high I got another bad TPS, should I try to find one for an actual T2 S5 this time?

The car is showing tell tale signs of a bad TPS, everything from surging idle when its cold to un-steady AFRS...

I've about had it with this... ugh.

 

Could there be something wrong with my throttle body? Perhaps the reason why I make adjustments and it seems to run fine at first, then gets worse again?

 

Well I ordered another TPS. Here's to hoping.... This time I bought one that was made for my model. While I believe people in the S5 NA TPS working, it just made my car run poorly.