[s-cars] Odd MAP readings.

[Adrian Hart]

Good morning S-Folk,

My boost pressure gauge has started to throw out odd readings - whereas 
it always used to show 0.5 bar at idle and maybe down to 0.3 on the 
over-run, it is now sitting at 0.4 or 0.3, and dropping to 0.2 at the 
slightest hint of off-throttle. Under power it pings back up with no 
problem, on up to 2.4 (where I am happy). There is also a slight 
flat-spot at around 3000 rpm. Anyone any clues? TIA, cheers, etc.

Adrian Hart
United Kingdom
91 urQuattro
94 urS4
02 AllRoad
(yes, I bought into the concept)