Jacon19oy New Member 1 Member For: 5y 7m 14d Posted 20/03/19 11:42 AM Share Posted 20/03/19 11:42 AM Hi all, I'm new here and could really use some help. I have a 2008 FG XR6 Turbo with 240000km on it. It has the ZF six speed. For a while now it has been running a bit weird. I will be driving, mostly when it's cold or warm and it will make a weird kinda vibration noise, revs will drop by approx. 400-500rpm for the duration of the vibration. It will do this up to 7 times. It is intermittent and each vibration lasts for approx 0.5-1 second each time. I have googled it and even bought a Bosch OBDII reader and it came up briefly with trouble code P0133 . I have replaced the o2 sensor and it fixed the issue for a day. I found that the hose that runs from the PCV valve was snapped, so I replaced it with some fuel line hose and it fixed the issue for 2 days before starting. All the manifold bolts are tight and I even checked it for leaks and found nothing. It doesn't do it while on boost, only while on vacuum. Turbo has minimal play for a car of it's age. It is starting to do my head in. Any help would be greatly appreciated. Cheers Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,917 Member For: 16y 6m 24d Gender: Male Location: Melbourne Posted 20/03/19 12:49 PM Share Posted 20/03/19 12:49 PM hmm... seems like either you have a vacuum leak somewhere (a smoke test is the way to go to be sure) or the gearbox needs a service. Link to comment Share on other sites More sharing options...
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