shaz2010 Posted November 18, 2018 Share Posted November 18, 2018 Well I went on the dyno in the summer at Evo tune down in Durham and had Jamie tune my oled greddy bc. He set it up at 1.2bar low and 1.4 bar high, at 1.2 it was fine but when doing power runs on the dyno at 1.4bar it was splutting (misfire at 4/5k revs). Never had a chance to sorted it bought some coil packs surefire ones from their website. Look identical to the original. I changed the coil pack clips a while ago so it wasn’t them, I bought some new ones again just in case a few weeks ago. Changed the plugs to iridium ones as I had copper in and Jamie said the bkr8eix were the ones people are using for bpu. That didn’t fix it. Just put the new coils in this morning and “whola” fixed it. It had to be the expensive part but hey hoe just glad it’s fixed. The coils must have been breaking down at the 1.4 bar setting, Is there any way in telling which coil/coils are nackered? Quote Link to comment Share on other sites More sharing options...
RastaMc Posted November 19, 2018 Share Posted November 19, 2018 I had the same but in my case I checked the coils first by placing other good ones and test the car. Problem was not solved so I ordered the BKR7E-IX and voilá, problem solved. Quote Link to comment Share on other sites More sharing options...
Dnk Posted November 19, 2018 Share Posted November 19, 2018 (edited) Swap them over one buy one and see when the miss fire returns Or you can do a resistance test http://www.mkivsupra.net/vbb/content.php?68-EFI-Ignition-(2JZ-GTE) Edited November 19, 2018 by Dnk (see edit history) Quote Link to comment Share on other sites More sharing options...
rider Posted November 19, 2018 Share Posted November 19, 2018 Coils have a specified resistance so the easy test to run is to check the resistance of the coils is within spec and then any problem coil should be easily identified. Quote Link to comment Share on other sites More sharing options...
shaz2010 Posted November 19, 2018 Author Share Posted November 19, 2018 I had the same but in my case I checked the coils first by placing other good ones and test the car. Problem was not solved so I ordered the BKR7E-IX and voilá, problem solved. Feels a lot better when fixed, doesn’t it! Least it wasn’t to expensive with it just being the plugs mate. Quote Link to comment Share on other sites More sharing options...
shaz2010 Posted November 19, 2018 Author Share Posted November 19, 2018 Swap them over one buy one and see when the miss fire returns Or you can do a resistance test http://www.mkivsupra.net/vbb/content.php?68-EFI-Ignition-(2JZ-GTE) I’ll try the resistance test dunk saying I I’m a sparky haha just didn’t know if they had to be under load to see which one is the duff one. - - - Updated - - - Coils have a specified resistance so the easy test to run is to check the resistance of the coils is within spec and then any problem coil should be easily identified. Cheers mate will do Quote Link to comment Share on other sites More sharing options...
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