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    Thread: A girl needs some advice.

    1. 11-26-2019 08:30 PM #1
      2015 golf tsi. Rough idle after car is warm. Jumping. Especially in park. Automatic transmission. Jumping idle stops when switched to paddle shift mode. Anyone have issues or history with pcv valves? Vw dealership is trying to tell me I need new map sensors, water pump, and thermostat...new to the vw fam. Should I just replace pcv valve for now?
      Last edited by Ashley14327; 11-26-2019 at 08:36 PM. Reason: More info.

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    3. 11-28-2019 07:15 PM #2
      do you have a way to pull codes? If not, an OBDEleven would go a long way: https://www.shopdap.com/obdelevenpro...scan-tool.html

      It could be a vacuum leak. I'd honestly check that first: make the sure dipstick is seated and the oil cap is on securely (I've seen this light up a bunch of codes), then check the vacuum hoses. There are a bunch of youtube videos on how to check for vacuum leaks. Check the cheap stuff before throwing parts at it! Could be the PCV, but that doesn't seem like a common fault on this generation of engine.

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