pressure relief valve on 2001 Audi TT Quattro

would this cause a code reading secondary air flow .

by in Las Cruces, NM on May 19, 2011
1 answer 3 comments
ANSWER by on May 19, 2011
please provide the P code number of what you found. also, is this a TT roadster (engine code AMU) or a TT coupe (engine code AMU or ATC or AWP)???
COMMENT by on May 20, 2011
the p code is po411 engine code is amu this is a tt coupe 1.8 liter 225 hp with 46000 mi. thanks for the reply.
COMMENT by on May 20, 2011
alldata says: p0411 is secondary air system; throughput faulty (1) check secondary air injection (AIR) system (2) check wastegate bypass regulator valve
COMMENT by on May 20, 2011
thanks for the help ,will check these 2 items.as a side note the engine light only comes on when car is cold. and it runs great light or not.