I had a similar problem with my '95 850 Turbo. It would stumble slightly under light acceleration, but be fine under heavier throttle inputs. My problem turned out to be a dead-spot in the TPS. Pulled the throttle-body and cleaned it and the IAC and replaced the TPS. I also cleaned the MAF sensor, b...

Thanks guys, it's done! Cleaned the throttle body, MAF sensor, IAC motor and replaced the TPS. She's running great!

Cheers!
Dave

I've searched and come up empty. Is there a step-by-step guide for throttle body removal in order to replace the TPS?

Thanks!
Dave