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  1. #1
    Active Member Two Rings
    Join Date
    May 28 2016
    AZ Member #
    373939
    Location
    Lake Arrowhead

    A3 tfsi, no power after carbon cleaning

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    Hello all.
    So today, i had another misfire. When the first one occured, i replaced coils and spark plugs, 1500 miles later. same thing happened.
    So i went ahead, and took off the headers, cleaned everything out with carbon build up cleaning substance. Once i put everything back together, the car has no power at all.
    Calling AAA in the morning to get it towed. Not sure what caused the issue. Fuel injectors seemed fine, there was a lot of carbon build up in the engine, but not overwhelming, After i put it all back together, it seems worse now than it did before. Car barely has any power at all.
    the codes it was spitting out were misfire in cylinder 1, random cylinder misfire, and turbo leak.
    Anyone have this happen to them before?

  2. #2
    Senior Member Four Rings Okedokey's Avatar
    Join Date
    Oct 24 2015
    AZ Member #
    363505
    Location
    Perth, WA

    Injector seals replaced when you reinstalled them?
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

    My respray thread

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