MY 95 LEXUS SC400 WHICH IS OBD1 GIVES CODES 25 & 26 OTHER THAN A GENERIC ANSWER OF TO RICH OR LEAN I CANT GET AN ANSWER OF WHAT THAT MEANS I NOTICED ON ONE OF YOUR SEGMENTS THAT YOU HAD THIS MAGIC CODE BOOK THAT IS NO LONGER PUBLISHED THAT MIGHT GIVE ME AN IDEA OF WHATS WRONG PLEASE LOOK IT UP AND MAYBE I CAN SOLVE THIS MYSTERY WITHOUT HAVE TO FORK OVER $150 TO THE DEALER THANK YOU.

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ScottyKilmer
ScottyKilmer

Editor

Very generic codes, it could be, are you ready, a problem in the intake fuel or ignition systems. bad wiring, Bad VAF sensor, bad valve timing, bad main computer, or a mehanical problem inside the engine. Good luck