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RESOLVED: 2.0 TSI K04 MED17.5.2 Misfire Issue - (GLI/CC/Passat)

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james9120

Go Kart Champion
Just cracked my 2008 CBFA open and found weak springs after running K04 for a year now. Never had an issue I know of. But very rarely and occasionally I'll have boost drop near red line. I talked to APR support and told them I haven't had any issues, they reported back I'm on the highest output file and just to enjoy it while it lasts lol.

80K miles
CBFA DSG 2008
 
T

TheCastle

Ready to race!
timneedscoffee10 said:
This issue is still not confirmed in any GTIs, correct? I had a misfire in my K04 TSI, followed by an overboost code with no CEL. I'm running brand new plugs with the upgraded R8 coils. I'm suspicious of a couple other things, and will do some data logging in the next day or so -- but just wanted to be able to scratch this off my radar if other people still aren't seeing it in the GTI yet
Click to expand...

I just wanted to update this thread, and say yes, it does happen on GTI's. I have it on my 2011 GTI.

Interestingly my GTI does not have any of the color codes indicated in the first post. My springs are coded with a single pink dash.
 
C

ChrisATB101

New member
2012 GLI ATB DSG (coil packs and loss of power)

I have a Stock 2.0TSI that I bought used.(30k miles). I noticed that when I first got the car, it would blow me away in terms of power from 25-60+ MPH. Of course that is until #1 coil pack went on me. Had it replaced and they said that the warranty would cover it all. But they would only replace the 1 fouled Coil pack. I asked about the other 3 and they said that only when/if they go out, they will replace it. That is fine with me, however I read that generaly only happens with modifications (ie.. Chipped, BOV, thing like that). I beleive that whomever had the GLI prior to me may have made those mods. Since they replaced the Coil pack, I have about 30-40% less power. what do I need to do to get the power back and also, how would I know if someone had made mods to the car to get that kind of power like when I first bought it.? Sorry for the looooong post. Just need help despirately. please:D
 
C

ChrisATB101

New member
ChrisATB101 said:
I have a Stock 2.0TSI that I bought used.(30k miles). I noticed that when I first got the car, it would blow me away in terms of power from 25-60+ MPH. Of course that is until #1 coil pack went on me. Had it replaced and they said that the warranty would cover it all. But they would only replace the 1 fouled Coil pack. I asked about the other 3 and they said that only when/if they go out, they will replace it. That is fine with me, however I read that generaly only happens with modifications (ie.. Chipped, BOV, thing like that). I beleive that whomever had the GLI prior to me may have made those mods. Since they replaced the Coil pack, I have about 30-40% less power. what do I need to do to get the power back and also, how would I know if someone had made mods to the car to get that kind of power like when I first bought it.? Sorry for the looooong post. Just need help despirately. please:D
Click to expand...


Anyone? I am new to VW and this forum. Need help :confused:
 
C

carsfeverguy

Go Kart Champion
The video above shows the intake valve springs....aka not relevant to this discussion.

Any more info on more recent production years??? 2013/2014????
 
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