Hey suby fam, hopefully you're all well, just after some advice or any personal experience of the same thing. As of lately my B4 hasn't been cooperating with me. Most times when idling it's quite rough, like makes the car rock quite a lot, then when I go to take off it stutters for a couple hundred rpm then seems to be fine but normally comes back when coming to a stop. Second problem is under moderate or heavy load it won't rev past 4500rpm. The rough idle started after I put about a litre of 91 in it but I wouldn't think that would do too much seeing as it was only a litre. So I'm now stumped. Would love some help thanks guys!
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B4 rough idle and won't rev past 4500rpm
Started by JLH96, Jul 01 2016 08:09 AM
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#2
Liamt81
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Posted 28 September 2016 - 08:59 PM
Hey guys i just got a 2002 liberty b4 twin turbo. Its idles about 1500rpm and will not rev past 4500rpm. First turbo spools but i think the second turbo is not boosting due to the rev issue. It's completely stock, running shell 98 fuel. Its quite annoying any thing i can do? Also no ecu light showing. Thanks. Liam
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