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  1. A

    What are the signs of a faulty coolant temperature sensor?

    I wouldn't say it was actually missing but it does get very lumpy, it also hunts at times and the revs will pick up to just over 1k, sit there for a few seconds and return to be being lumpy... I've only noticed it the last couple of days so not had chance to investigate it properly as yet. The...
  2. A

    What are the signs of a faulty coolant temperature sensor?

    I have a 53 plate 2.0TDI and it is doing the exact same thing, no movement on the temp gauge for what seems like ages and then goes straight to 90 degrees... also have the lumpy idle when warm. Seems to be quite a common thing but I'm unable to find a definitive answer anywhere on how to solve...