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Paul-
Whenever I complain about performance problems at the Volvo dealer, a mechanic comes and drives it on city roads only. He floors it and says "well, doesn't seem to be anything wrong" On the highway, over 100 KPH, the car is gutless, and especially up hill, I can push more and more on the accelerator, but all that happens is the turbo needle goes closer to the red- nothing else.-whoopdey doo. maybe a 5 kmph increase.
When I turn a corner on a normal street and try to accelerate, the car drones and really doesn't do anything unless I manually put it into 1st gear (Auto Tranny). As well, the cars idle is a bit rough while sitting. -I'm getting really frustrated with them and I wondering if I'm expecting too much from the car. Sometimes after I start it up, it is extremly smooth and a joy to drive, but that's very rare.
They said the turbo was putting out more power than it's really supposed to be set to do. The AMM was recently replaced, as well as the Turbo Downpipe hose. But no performance difference was noted.
Could a lose hose cause the thermostat to fluctuate like that at high RPM? I tried it again tonight on normal roads, and it seemed to go down as RPM increased and then started wiggling.
Thanks for your help! Sorry for the long msg, but I thought I's give details in case it gives anyone a hint as to what could be wrong.
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