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Replaced Bank 1 O2 sensor (DTC P0134) on my 2000 Chev Malibu and now getting P1134

Two months ago had both O2 sensor replaced and cat. Soon after had engine light come on P0134. So I replaced the O2 sensor again, and now getting P1134 with the new sensor. Any suggestions on the issue?

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  • Michael S Jan 02, 2013

    The sensor replaced is upstream of the cat converter. It is a DNK brand. I taped the wires around the sensor with electrical tape to hold the sheath in place but since then read that O2 needs to access these wires. Removed the tape and reset the DTC, waiting for enough engine cycles to see if the code comes back.

  • Michael S Jan 02, 2013

    Found some good information at:http://www.gearchatter.com/viewtopic8974... Checked for exhaust leak (none), sensor is firmly in place. Anything else that can be causing P1134?

  • Michael S Jan 06, 2013

    So I took it to the dealer with P1134 code pending, they charged me $120 to check it and said nothing was wrong. Well there clearly is something wrong as it almost stalls out at a stop light. What is P1134.

  • Michael S Jan 07, 2013

    Anyone?

  • Michael S Jan 18, 2013

    So now the code is reading P0134 suggesting the O2 sesnor is no good. So it went from P1134 to P0134. I'm stumped as this was a brand new sensor - so thats twice I've replaced this sensor and still getting the same end result. Any suggestions>?

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