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help,misfire O2 sensors

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help,misfire O2 sensors

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Old

Feb 18, 2005 | 07:53 AM

#1

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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

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Feb 18, 2005 | 06:05 PM

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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 ?

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Feb 19, 2005 | 09:11 AM

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anybody ??

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Feb 19, 2005 | 09:31 AM

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Did you check out this thread
https://ls1tech.com/forums/pcm-diagnostics-tuning/271953-misfire-issues.html
Did you put in new plug wires?

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Feb 19, 2005 | 10:55 PM

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just saw that post, wires are almost new, replaced plugs after cam install....dont really know how the whole PID thing works, thanx for the reply

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