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Old 10-17-2016, 10:03 AM   #15
Dans GTI
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Good and easy preventive maintenance it replacing the intercooler seals. Very possible you could be have a leak from there, especially at that high mileage.
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Old 10-19-2016, 03:14 PM   #16
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Originally Posted by FriggenT View Post
Well, there are so many from codes to oil around the pcv, build up around the filler neck. Some claim this doesn't work, but if you pull your dipstick out and you get no change in idle it's bad, if you open the oil cap and get no resistance, it's absolutely shot, there's some others, but I'd start there.


Opened the oil cap when idle and the idle got pretty rough, so the PVC is probably ok.


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Old 10-19-2016, 06:29 PM   #17
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Opened the oil cap when idle and the idle got pretty rough, so the PVC is probably ok.


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That means your PVC is good.
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Old 10-19-2016, 07:36 PM   #18
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Originally Posted by $Ęs View Post
Opened the oil cap when idle and the idle got pretty rough, so the PVC is probably ok.


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Did you pull the dipstick? It should have at least a slight effect on idle.
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Old 10-19-2016, 07:47 PM   #19
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Did you pull the dipstick? It should have at least a slight effect on idle.
Yes, not as dramatic as opening up the oil cap though.
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Old 10-20-2016, 01:53 AM   #20
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Slowly losing power?

At your mileage, it's worth checking green o-ring at the turbo outlet pipe to intercooler hose junction. They live in oil and are usually mushy and swollen. This is a very common leak.
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