Beastmode panda Posted March 2, 2013 Share Posted March 2, 2013 Yet another problem lol. Started to missfire when on boost? No idea why. Got nkg leads and iridium plugs. I've never changed the plugs or leads since i've had the car. Pretty bad of me i know! All plugs are on, why is it missfiring when boost comes on? On idle and other driving it's perfect as always, only when boost hits it starts spluttering. Quote Link to post Share on other sites
james@cjperformance Posted March 2, 2013 Share Posted March 2, 2013 change your plugs for a start, ebay is best i find for iridiums, then go from there, will more than likely be ignition related Quote Link to post Share on other sites
Jhandy Posted March 2, 2013 Share Posted March 2, 2013 Have u checked the jiggle pin lol Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 Have u checked the jiggle pin lol wtf is a jiggle pin loool.? Quote Link to post Share on other sites
turbo Grant Posted March 2, 2013 Share Posted March 2, 2013 Check your gaps on your plugs but a new set would be a good idea Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 Ok, what is the gap supposed to be?? Also i have these brand new plugs i bought when i got the car but never put them in, they are ngk BKR5EYA... I never put them in, i just cleaned up the iridiums as i thought they will be better. But will they be ok to use? Like, will they be sufficient enough for the engine etc? Quote Link to post Share on other sites
JayJ Posted March 2, 2013 Share Posted March 2, 2013 (edited) Those are too hot plugs and you will get the missfire a bit earlier, so better to get new BKR7 iridiums or equivalent and 0.8 for gap. Edited March 2, 2013 by JayJ Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 Darn nabbit . what is the gap supposed to be anyway, so i can check. Quote Link to post Share on other sites
JayJ Posted March 2, 2013 Share Posted March 2, 2013 0.8mm should be ok with 1bar or above Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 Osuuuum! Ok so, just incase it's not the plugs and they are fine...... What else should i be looking for? Quote Link to post Share on other sites
JayJ Posted March 2, 2013 Share Posted March 2, 2013 Leads, king lead, distributor, rotor arm Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 Ergh. Quote Link to post Share on other sites
daniel_g Posted March 2, 2013 Share Posted March 2, 2013 If its not the plugs then check the leads, distributor cap, rotor arm and check the ignition timing too. Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 What am i checking them for lol? What am i supposed to be looking out for? The king lead is like 2 weeks old, and was brand new so i don't think it will be that! Why would the ignition timing have gone out? Quote Link to post Share on other sites
JayJ Posted March 2, 2013 Share Posted March 2, 2013 Check that the leads aren't loose, check THIS, so you can compare the condition of rotor arm and distributor cap.Timing can change, if your distributor bolts are loose and the position has changed. Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 Checked all the leads were fully pushed on and they are. Will also check bolts, i just read about nipping up the bolts. Cheers will check out the link now. Quote Link to post Share on other sites
Beastmode panda Posted March 2, 2013 Author Share Posted March 2, 2013 holy shit, im taking off my dizzy cap etc today!!! Quote Link to post Share on other sites
JayJ Posted March 3, 2013 Share Posted March 3, 2013 Did you sort it out? Quote Link to post Share on other sites
AdamB Posted March 3, 2013 Share Posted March 3, 2013 (edited) Map sensor Edited March 3, 2013 by AdamB Quote Link to post Share on other sites
Mostyn Posted July 1, 2018 Share Posted July 1, 2018 Did you sort this out ? If so what was the problem? Quote Link to post Share on other sites
Jay85 Posted July 1, 2018 Share Posted July 1, 2018 4 hours ago, Mostyn said: Did you sort this out ? If so what was the problem? What issues are you having? Quote Link to post Share on other sites
Mostyn Posted July 1, 2018 Share Posted July 1, 2018 @Jay85 it's spluttering like hell only in boost runs perfect out of boost, running a td04 external gate changed dizzy cap and rotor arm,plugs,turbo,king lead,ignitor really doing my head it Quote Link to post Share on other sites
Jay85 Posted July 2, 2018 Share Posted July 2, 2018 (edited) Check your king lead, this is the Center lead that goes from dizzy to coil. It’s quite possible this is fooked and is breaking down under load. Edited July 2, 2018 by Jay85 Quote Link to post Share on other sites
Mostyn Posted July 2, 2018 Share Posted July 2, 2018 59 minutes ago, Jay85 said: Check your king lead, this is the Center lead that goes from dizzy to coil. It’s quite possible this is fooked and is breaking down under load. Already changed it mate genuine Toyota one too Quote Link to post Share on other sites
Jay85 Posted July 2, 2018 Share Posted July 2, 2018 2 minutes ago, Mostyn said: Already changed it mate genuine Toyota one too What else have you tried? Save me some time with the guesswork Quote Link to post Share on other sites
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