Guest Redneck2008 Posted July 11, 2014 Share Posted July 11, 2014 I've just had my mk4 xr3i in for the mot and it's running like a pig to be honest, tester put emissions probe in exhaust and said it's running at zero, so it's either getting to much fuel or air, it's constantly racing and when standing in traffic it'll lunge forward without warning, basically I'm wondering has anyone else had the same or know what the probable cause could be. Link to comment Share on other sites More sharing options...
danmk4escort Posted July 11, 2014 Share Posted July 11, 2014 what do u mean bye racing in traffic and lunge forward?and is it efi or mfi ? Link to comment Share on other sites More sharing options...
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