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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    I've managed to get a replacement cat for £50 so gonna swap them over. I'm hoping to jump on it at 4pm! Getting things off is always the delay! I did get into it eventually and clear it out, the bungs are not visible but I found a youtube video that helped me find them. I've grabbed a video...
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    I finally managed to spend some time on this today. I lifted the battery out and there is a very deep puddle! It runs under the battery and ecu. God knows how long it's been there but I'm guessing it's caused some the bigger issues. The cat is definitely the rattle on deceleration and everything...
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    Hybrid billet turbo advise

    Mamba, frankenturbo or k04-015. The 015 being the cheapest I've also found a place in eastern europe that builds good competitors to these. Called Gr Sent from my SM-G950F using Tapatalk
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    1.8t Cabrio K04 turbo upgrade (not the usual rubbish ones)

    How has this turbo worked out? I'm looking for a replacement for the Chinese k04 I stuck on. Sent from my SM-G950F using Tapatalk
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    I'll give this a go! Thx My gut is that the turbo is toast. Sent from my SM-G950F using Tapatalk
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    It's only when lettimg off throttle so at first I thought it was something loose rattling with the engine shake. An AA bloke said it could be the Cat as they die if running too rich, the precious metals knacker or something. Sent from my SM-G950F using Tapatalk
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    EPC Light on, Loss of power !!!

    sounds quite similar to my issues. ive had to leave it off road until i can fix it. Seems i also have either a turbo or Cat issue.... Joy.
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    It seems to have stuck now, its boost or power related. Perhaps its the turbo thats toast. It is a Chinese jobby, perhaps its done its time... The rattle could be catalytic converter too perhaps, so the shaky engine and running lean could kill it. So many things to try, such little money :(
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    Replaced all injectors today and still no joy. I've uploaded a video for what its worth. ECU and electrical stuff next. Driving it around the block was noisy! The brakes sound like they've rusted together!
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    It's now off road until this is fixed. The issue has got worse and the MAF change didn't help. Thankfully we have bought a cheap vw polo 1.4 as a runner while we're fixing the A4. The rain really isn't helping things and it's not exactly motivating me! I have a fuel rail and set of injectors...
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    Thanks, I'll take this advice and let you know how I get on. Sent from my SM-G950F using Tapatalk
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    Have tried another N75 and issue is not fixed. I'm going to do a full scan tomorrow to see whats left, hopefully some of the above are gone! Then at least we'll be nearer the issue. I'll keep this updated.
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    A4 2ltr FSI 2003

    What are the above vehicle problems? Can't see them Sent from my SM-G950F using Tapatalk
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    Actually after another code clear it's back to its drivable under 2k. One of these I didn't do is n75... Sent from my SM-G950F using Tapatalk
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    None of these helped and putting old throttle back in with a manual realign hasn't taken it back to drivable. Now I'm stuffed. Guess I need Sent from my SM-G950F using Tapatalk
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    Audi A4 1.8T B6 Avant - EPC & terrible banging idle

    Hi All, I'm having some serious issues with my a4, the EPC light was coming on when getting to 2000rpm then if I ignore it and push through it goes into limp mode and eventually ultra limp (nothing there at all, but doesnt conk out). If I drove it below 2000rpm it was usable most of the time but...
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    What have you done to your A4 b6 today?

    Today I looked at the damage from a very close shave the mrs had with a 3 car pile-up! She almost came to a stop, wheels locked up and bumped the front car.. Outcome is air con doesn't do anything but E-CON. Crash bar is bent by about 6 inches to the passenger side! Secondary air intake hisses...
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    Help understanding a couple of symptoms

    As others have said the initial noise is the SAI (secondary air intake) pump.. It pumps air into the cat to clear it from carbon. When it's on its way out it whines and sounds bad. Second issue is most definitely pcv related.. If you've never replaced the valve that's under/beside the coolant...
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    A4 air con nightmare

    You sir are a legend! Keeping this for my to-do list! Sent from my XT1572 using Tapatalk
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    Show me your boost gauge location...

    Where did you get it? Any tips for installing? Sent from my XT1572 using Tapatalk
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