help,misfire O2 sensors
get codes for random misfires and O2 sensor slow switching for both banks.....engine doesnt miss goin thru the gears but I cant tell at idle with the cam,raised the misfire freq thresh hold but that didnt help.... both O2 sensors are brand new Denso's...engine lopes alot when you first start it but smooths out once it gets warmed up, mods are Hooker LT's, SLP U/D pulley and TR224/.563 cam................any help would be appreciated , thanx
put an infared thermometer on the header tubes after drivin around today and the pass side was read 240-280 ish, the driver side was reading 320-340 ish...anyone know what could cause this ?
Did you check out this thread
https://ls1tech.com/forums/pcm-diagnostics-tuning/271953-misfire-issues.html
Did you put in new plug wires?
https://ls1tech.com/forums/pcm-diagnostics-tuning/271953-misfire-issues.html
Did you put in new plug wires?


