All Things Mk5 > How to Guides / Troubleshooting
Mk5 GTI rough idle and misfire
Marky050618:
I done my chain a couple weeks back then had this, was driving me potty turnt out the middle of the three rings in that housing broke and cam out and i didn't notice which caused this issue.
DDale:
Had the same symptoms before, especially the misfires on stop. It ended up being the N80 Purge Valve so might be a good thing to check.
https://www.mk5golfgti.co.uk/forum/index.php?topic=132469.0
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