abentkov Posted November 23, 2010 Share Posted November 23, 2010 Whether on D or N my car shakes like a monster. I took it to mechanic and his computer returned cylinder 1 3 5 7 misfire (whole left side). He checked for cracks on coils but non were discovered. We replaced spark plugs but problem came back once the car warmed up. He is telling me its the coils but i'm thinking - whole left side? Is this the way engine was designed or is there another type of relay or something that control the flow of whatever is required to create a spark. Any ideas? Has anyone came accross a problem like this? Its 98 GS400 with 280km on it. Quote Link to comment Share on other sites More sharing options...
intakerGS Posted November 24, 2010 Share Posted November 24, 2010 Besides faulty wiring/coils, there could be a problem with the timing(belt) slipping. Have your camgears / TDC checked. Another option could be your oil control valve. Check this link for info. Quote Link to comment Share on other sites More sharing options...
audio1 Posted December 2, 2010 Share Posted December 2, 2010 Hi, computer will cur power if detects catalityc damaging problem,What codes do you have besides misfire. Quote Link to comment Share on other sites More sharing options...
audio1 Posted December 2, 2010 Share Posted December 2, 2010 Hi, computer will cur power if detects catalityc damaging problem,What codes do you have besides misfire. check power supply- have to have power with ign on to all coils and injectors. Quote Link to comment Share on other sites More sharing options...
audio1 Posted December 2, 2010 Share Posted December 2, 2010 To All Lexus Fanatics Here- I can repair MARK LEVINSON AMPLIFIERES. Quote Link to comment Share on other sites More sharing options...
Lucky Picasso 757 Posted March 24, 2011 Share Posted March 24, 2011 I hope you fixed your issue..I was getting random misfires..had to replace the gasket..was allowing to much air in. Quote Link to comment Share on other sites More sharing options...
12three45 Posted December 13, 2013 Share Posted December 13, 2013 Did anyone figure out what the problem was for this? Was it the OCV? Where is the OCV on the LS400? Quote Link to comment Share on other sites More sharing options...
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