o2 problems

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Aug 24, 2006 | 08:57 PM

99zmaro

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From: manhattan,kansas

o2 problems

i have a 99 z28 camaro and last month i went to go pass someone shifted to 5th and service engine soon light came on so went to autozone had them check it out said rear o2 sensors low volt so i replaced them both erased code then today it happened again i was curious what could be causing then problem dont feel like replaceing 200 dollar o2 sensors again

Aug 24, 2006 | 09:07 PM

LILWS6

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From: Waukesha,WI

what rpm's were you roughly hitting when the light came on and you don't happen to know what code number it set because i had this happen in my ws6 i ended up replacing the Mass Air Flow sensor with an SLP unit. haven't had the light come back on since

Aug 25, 2006 | 10:33 PM

99zmaro

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Staging Lane

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From: manhattan,kansas

o2 sensors

i was roughly about 2800-3000 at about 80 something in 5th gear the codes are PO137, and PO157

Aug 26, 2006 | 02:17 AM

DomesticLS1

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From: Ft.Worth,TX

I had them same codes. Some one told me the cats were bad, only way to fix is new cats or sims, your choice.

Aug 26, 2006 | 11:01 AM

LILWS6

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From: Waukesha,WI

thats the codes my car set its a low voltage bank 2 i think? or are the rears bank 1 any who i'll bet its your MAF sensor. i bought an slp one just because if it didn't fix it i wasn't loosing anything

Last edited by LILWS6; Aug 26, 2006 at 11:02 AM. Reason: added text