code p0140,,,,,p0138 why is it on

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03-18-2008, 10:50 PM

99camaromike

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code p0140,,,,,p0138 why is it on

i have o2 simms do u think they are bad

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03-19-2008, 10:25 AM

2001NBMZ28

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They're both bank 1, sensor 2 codes - you could swap them from side to side, clear the codes, then see if it throws bank 2, sensor 2 codes. Check the wiring/connectors too.

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