My Mk2 Cupra has recently started running rough, when the car is idle it shakes eratically and the exhaust sounds like its gurgling / popping
I have knocked the pre cat and had the silencer removed with a pipe welded in place,
I thought it may be faulty plugs but i had these changed 6...
http://www.ebay.co.uk/itm/260933036617?_trksid=p2060778.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
i bought these, had them in my Cupra for 3 month now with no warning lights / flickering
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