MK5 Golf GTI
All Things Mk5 => Mk5 General Area => Topic started by: ryn079 on July 28, 2019, 09:57:41 am
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Hi guys, I'm a new owner of a 2007 gti. I am having p1297, p0101 and p2188. The main issue is the p1297 which is constant and the other errors come up after driving hard for a long time. Car has power, but not much in lower rpm. Diverter valve removed and checked, no broken diaphragm. What I then noticed is a very strong vacuum when removing oil cap. Any ideas please as I am used to tdis not petrol. Boost pipes seem ok, no visible oil leak from there.
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I had a persistant vac leak turned out to brake boost pipe from vac pump to boost valve to crankcase new pipe £33 fixed hope tis helps
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I had a slight hole in pipe that didn’t show till on full boost.....new black rubber sorted the problem :star:
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Have you had a look at the PCV valve?
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Thanks guys for trying to help. What should I look for in the pcv? How do you detect vacuum leaks and or boost leaks?
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try unscrewing your oil cap engine running if it gets sucked from your grasp probable pcv
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Thanks