Chris wrote:
> Australian 850T5, delivered 1 Jan 1996 (does that make it a 95 or 96
> model??). Turbo guage moves into the white area under wide open
> throttle, but only slightly. Does not feel like there is any boost at
> all. Feels like a normally aspirated 850 2.5. Runs relatively
> smoothly. K&N air filter, nice and clean. I did find two vacuum hoses
> with holes - one is on the intake manifold inboard of the power
> steering pump. The other is at the bottom of the airbox intake hose,
> down from the airbox below the rear engine mount. Both had big splits
> in the rubber elbows. I will order replcements tomorrow, however, my
> question is, would these two vacuum hose splits cause the turbo not to
> operate. Car only has 65,000 miles. What is quite strange is that the
> check engine light is not illuminated.
>
> Any thoughts gratefully received.
>
> Chris


Sounds like the actuator rod has come off the wastegate on the bottom of
the turbo. This will result in exactly what you describe, very little
boost, and no fault codes will be triggered.