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Old 08-24-2006, 08:57 PM
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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
Old 08-24-2006, 09:07 PM
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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
Old 08-25-2006, 10:33 PM
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i was roughly about 2800-3000 at about 80 something in 5th gear the codes are PO137, and PO157
Old 08-26-2006, 02:17 AM
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I had them same codes. Some one told me the cats were bad, only way to fix is new cats or sims, your choice.
Old 08-26-2006, 11:01 AM
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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; 08-26-2006 at 11:02 AM. Reason: added text
Old 08-26-2006, 01:12 PM
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similar thing happened to me, ended up replacing them twice(told napa they sold m bad ones) hasnt happened since.




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