MANDOsc303
Registered User
I have a 1990 SC just put an engine out of a 1991. I changed it from automatic to manual. Since I finished my car is been running really bad. today i did a KOER test and this codes came out: "OXYGEN SENSOR INDICATES SYSTEM LEAN, LEFT SIDE AND RIGHT SIDE", "INSUFFICIENT MASS AIR FLOW CHANGE DURING DYNAMIC RESPONSE TEST", "INSUFFICIENT THROTTLE POSITION OUTPUT DURING DYNAMIC RESPONSE TEST" AND "KNOCK SENSOR NOT SENSED DURING DYNAMIC RESPONSE TEST" I changed the TPS and MAF and still the same.hope some one can help me out.