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My 85 ur-q has suddenly got zero boost and won't rev over 3000rpm and has no
power. Prior to this happening boost was always normal on the guage, but
engine power was down and it was reluctant to rev over 4-4500rpm.
Audi had the car for a week prior to the zero boost happening and failed to
fix the problem. They suggested the wastegate might be faulty.
So I replaced the wastegate with a new one. Still zero boost and no power.
Pulled off the intercooler and hoses, can't see any obvious leaks. Turbo
impeller spins freely with minimum play.
Help! Why am i getting no boost and no power? How can I tell if the turbo is
Any suggestions most appreciated.