» » »

Audi Q&A

Ask Your Question

2001 Audi TT Quattro Question: pressure relief valve

 

Question

jims repair, 1.8L 4 Cylinder Turbo, Las Cruces, NM, May 19, 2011, 11:47
 Rookie

would this cause a code reading secondary air flow .

1 Answer
Flag This
  • Answer #1

    overbys from Overbys Inc, May 19, 2011, 12:29
     Master

    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)???

    Flag This
  • Reply

    jims repair, May 20, 2011, 04:11
     Rookie

    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.

    Flag This
  • Reply

    overbys, May 20, 2011, 04:49
     Master

    alldata says:

    p0411 is secondary air system; throughput faulty

    (1) check secondary air injection (AIR) system
    (2) check wastegate bypass regulator valve

    Flag This
  • Reply

    jims repair, May 20, 2011, 16:12
     Rookie

    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.

    Reply
    Flag This