ronttuk Posted September 4, 2012 Share Posted September 4, 2012 My uk spec started as normal tonight 2 mins down the road I stopped at some traffic lights and noticed it was ticking over low about 500rpm and a bit lumpy, I am guessing its missing on one cylinder but when you give it some gas it still goes as normal. anyone had a similar problem??? or anyone have an idea what it could be? I haven't had a chance to run a diagnostic check yet. Quote Link to comment Share on other sites More sharing options...
tony tt Posted September 4, 2012 Share Posted September 4, 2012 My auto does that mate I've no idea what it is. It idles that low its like it's about to cut out but drives and pulls great. Quote Link to comment Share on other sites More sharing options...
Tyson Posted September 4, 2012 Share Posted September 4, 2012 Sticking IACV ? Quote Link to comment Share on other sites More sharing options...
Littler Posted September 4, 2012 Share Posted September 4, 2012 Stab in the dark, but have you recently had the battery disconnected or has it died? As when I disconnected the battery for a while the ECU resets and it has the lower idle until it learns again, generally sorts it self with about 20 mins of driving. Quote Link to comment Share on other sites More sharing options...
ronttuk Posted September 4, 2012 Author Share Posted September 4, 2012 Had a new battery fitted in May so its not that. How do I test for a sticky IACV and what is it lol Quote Link to comment Share on other sites More sharing options...
Dnk Posted September 4, 2012 Share Posted September 4, 2012 IACV = Idle air control valve Quote Link to comment Share on other sites More sharing options...
Dnk Posted September 4, 2012 Share Posted September 4, 2012 http://www.mkivsupra.net/vbb/showthread.php?210956-How-To-Clean-Idle-Control-Valve-Cleaning-Aka-ICV-(IAC) Here you go Quote Link to comment Share on other sites More sharing options...
ronttuk Posted September 4, 2012 Author Share Posted September 4, 2012 Thank DNK Quote Link to comment Share on other sites More sharing options...
Dnk Posted September 4, 2012 Share Posted September 4, 2012 Hope it fixes your problem Quote Link to comment Share on other sites More sharing options...
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