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Re: UrQ Overboost...

Andrew wrote...
Thanks to those who responded to my earlier posting. Here
are a few more details. Yes, the cutout is a violet one, like a
buck. Yes, it appears to happen at roughly the same boost
pressure, maybe 1.7 Bar, maybe a little less. Can't always
tell with the stock gauge. The car drives perfectly otherwise,
just can't use heavy boost. (Does make sense that it is the
wastegate diaphram, how can I easily check this?) Thanks.

Spark plugs?  Wires?  My 200q behaved similarly until I changed the
spark plugs (to the proper ones...)

John Mallick
'91 200q