Failure modes 914

Hi there, I have two questions on the 914 Turbo.

1. If the turbo fails and stops producing boost, how many HP is left and will it be able to maintain level flight to the nearest safe airport?

2. If the MAP gauge line was to come off the back of the gauge and therefore provide an opening in the manifold of about 3.5mm, would the turbo be able to continue to produce enough power to get home safely (and essentially send less out the waste gate)? Apart from the guage reading being wrong (I assume it resumes to ambient pressure), would I see a drop in power and need to put more throttle in to compensate for the hole, or does the TCU look after all that and just send less out the waste gate?

thanks in advance.