Want to thank all you guys that walked me through this; I have the problem whipped! I finally adjusted the wastegate out 4 full turns and its like driving a different car. It is very docile without being wimpy. Feels really comfortable and natural to use the throttle normally now. Haven't taken a ...

matthew1 wrote:Any idea if the 1st owner was at least a little interested in performance?

I haven't the foggiest. Bought it through a newspaper ad.

matthew1,
Yes, I'm the 2nd owner. Had the car for 3 years now and really love it except for this super sensitivity to the turbo and the rotten mileage.
Thanks for the reply!

FCPGroton,
Average MPG is 16-17. Don't know what the boost level is. All I can see is every time I press the throttle, the turbo dial jumps to center or beyond and I am not heavy footed. I am as gentle with the throttle as possible trying not to add to this problem.

What is an 'IPD tune', and if ...

I know I'm going to sound stupid and ignorant with this, but I need to know if there is any way to tune down my 850 turbo. I kicks in at the slightest throttle pressure and is just eating up gas at a horrific rate. It apparently is not an engine tuning problem because 2 different Volvo mechanics ...