Help i have a 95 sc400 that runs like crap it dosent rev up clean it misfires really bad and under full throttle it has no power and dont pass 4800 rpms i did the jumper wire and got these codes but dont know were to start the codes are 13 14 24 25 31 41 please help me ive tryied the fuel pump fuel filter cap and rotor are good wires are good i dont know wat to do please help thanks

 

Start by fixing each code... I don't have the manual here handy but some of those code might be related. You could fix one and 2-3 other could go away.

 

thanks how do i fix code 25

 

What does it indicate? I don't know what the codes mean by heart LoL... Is it O2 sensor? If so, replace it....
http://us.lexusownersclub.com/forums...showtopic=8841

Google is your friend if you know know what the codes mean and how to fix them.