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I have a 92 sc400 and I'm recently having a problem getting it to start. I notice that when I insert the key I can't hear the fuel pump running so I decided to try the fule ecu bypass. After completing that the fuel pump fires right up without having the key inserted and the only way I can shut...

My 92 SC400 won't start so in my never ending quest to solve this puzzle I decided to check out the fuel system. I don't yet have a gage to measure to the pressure so I thought I would start with the pump and fuel ecu. First I turned the ignition on to see if I could hear the pump come on and I...

I pulled both ignition coils to test them because my car doesn't seem to be getting any spark I checked the voltage coming into both coils with ignition in the on position and got about 11.5 volts on both sides. Next I checked the primary and secondary on both coils. the results were the same...

I have a 92 sc400 and recently it died on me and I was not able to get it restarted. The engine does crank but it doesn't seem to be getting any fire. After doing some reseach on this sight I decided to check the fuel ecu but it seems to be working fine. After doing more research I started...