Search results

Hello All, I have a SC400 that has manifest a very strange problem. It will start up fine in the mornings and I can drive into work about 25 miles as long as traffic flows there is no problem stalling. If it car stands still, once the car is warmed up and in traffic for a while the car's...

I have a high mile SC400 and it will run for a while till the igniters will heat up then it will stall out. I am in the process of getting some good used igniters. Does any one know where a good source is for igniters is???? The ones I need are Nippon Denso # 131300-2010 other identity...

Hi All, I have been having some serious issues with my SC400 and its charging circuit. It seems that as long as I run the vehicle at above 3000 rpm the car charges to a decent degree. The problem is I frequently get in traffic and sit at low rpm's and then the car will stall out. The same...

Hi All, This is in relation to a post from another user. We seem to have the same problem. I am wondering more about the Delco One wire Alternator and its interface with a SC400. I bought a rebuilt at Kragen and had the guy test it before I installed it and on the bench test it tested good. I...

Hello Fellow Lexus Brotheren, I have an older 1992 SC400 with about 270K miles on it. It has had a problem that has gradually manifest itself with poor performance and stall outs. My check engine light has come on and I pulled the computer codes with a bent paperclip and by watching the check...

Hello Fellow Lexus Brotheren, I have an older 1992 SC400 with about 270K miles on it. It has had a problem that has gradually manifest itself with poor performance and stall outs. My check engine light has come on and I pulled the computer codes with a bent paperclip and by watching the check...

Hello, Has anyone ever replaced the ported EGR Valve in a SC400. Where is it located, is it hard to replace, cost? What are the car's symptoms if it is bad. Sincerely, Keith Hedman

Hi I am new to the forum. I have a SC400 that I got about 3 years back. It really looks great, but has been running so so lately. It will start run, and then the check engine light will go on and then it stalls out. The car has very little power, yet makes no abnormal noises other it sounds...