Bryan_Jones Posted May 5, 2008 Share Posted May 5, 2008 I've noticed just recently that if I put my foot down over 4k rpm the car seems to misfire and not give full power. It seems very hesitant and juddery. Can this be fixed by just replacing the plugs? I'm no mechanic so any help would be greatly appreciated. Link to comment Share on other sites More sharing options...
Bryan_Jones Posted May 5, 2008 Author Share Posted May 5, 2008 If it is the plugs can anyone recommend any good ones? Link to comment Share on other sites More sharing options...
Pig Posted May 5, 2008 Share Posted May 5, 2008 What boost are you running and have you seen this thread? http://www.mkivsupra.net/vbb/showthread.php?t=149427 Spark plug info http://www.mkivsupra.net/vbb/showthread.php?t=41927&highlight=spark+plugs P.S - search is your friend. Link to comment Share on other sites More sharing options...
Bryan_Jones Posted May 5, 2008 Author Share Posted May 5, 2008 Cheers for that. Great help. I'm only running standard boost. I'm sure the plugs were only replaced less than 3000 miles ago. Still i might put some good ones in. What do you reckon to these? NGK Iridium - BKR6EIX-11 They are £5.72 each http://www.ferodo-brakes.co.uk/pages/pricing/applications/NGK-Iridium-IX.asp Link to comment Share on other sites More sharing options...
simbasupra Posted May 5, 2008 Share Posted May 5, 2008 What boost are you running and have you seen this thread? http://www.mkivsupra.net/vbb/showthread.php?t=149427 Spark plug info http://www.mkivsupra.net/vbb/showthread.php?t=41927&highlight=spark+plugs P.S - search is your friend. There's this one aswell http://www.mkivsupra.net/vbb/showthread.php?t=35931 Link to comment Share on other sites More sharing options...
Bryan_Jones Posted May 5, 2008 Author Share Posted May 5, 2008 Thanks for your help. I've ordered 6 Denso IK24's. Hope it cures the problem. Link to comment Share on other sites More sharing options...
Swampy442 Posted May 6, 2008 Share Posted May 6, 2008 If its not plugs might be coil packs, Ive got a set sat here if you need some. Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted May 6, 2008 Share Posted May 6, 2008 Plugs, coil pack/connectors, or even a fuel pressure problem. Link to comment Share on other sites More sharing options...
Bryan_Jones Posted May 7, 2008 Author Share Posted May 7, 2008 If its not plugs might be coil packs, Ive got a set sat here if you need some. Ok great. Hopefully the plugs will arrive tomorrow. I'll give it a go. If I do need the coil packs how much do you want for them? Link to comment Share on other sites More sharing options...
tango Posted May 7, 2008 Share Posted May 7, 2008 it happen to me as well, I change the plugs, some connectors, no more problem. Link to comment Share on other sites More sharing options...
tango Posted May 7, 2008 Share Posted May 7, 2008 Oh, I also tight up the dump valve just incase it loss boost. Link to comment Share on other sites More sharing options...
Bryan_Jones Posted May 7, 2008 Author Share Posted May 7, 2008 Oh, I also tight up the dump valve just incase it loss boost. Ok cheers. I'll check it out. Link to comment Share on other sites More sharing options...
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