MK5 Golf GTI
All Things Mk5 => How to Guides / Troubleshooting => Topic started by: edition30ldn on April 24, 2019, 08:13:06 pm
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So recently installed a forge catch can and a pcv and it caused loads of white smoke so did some research and found out its a common issue with some tfsi engines. so i put the OEM pcv back on and soon as i put it back on my car was not running the same, my idle is ruff , but if i wait a couple mins then it seems to run fine. so i brought a new pcv and rubber seal fitted it and same problem ruff idle ...anyone had this issue?