fault code p0155 o2 sensor

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fault code p0155 o2 sensor

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fault code p0155 o2 sensor - 8/17/2005 6:22:45 PM

3000gtyeah

Posts: 1
Joined: 8/17/2005
Status: offline

hi my name is john and i have a 97 mitsubishi 3000gt with a 3.0L engine with a sohc non turbo. my check engine light came on not to long ago and it said code p0155 witch is a oxygen sensor . i replaced the oxygen sensor and erased the code and everything was fine ,but when i turned the car off and then crank it back up the check engine light comes back on with the same code . i replaced the oxygen sensor before the catylitic converter was that the right one? because i know theres 2 more 1 for each manifold. please help!!!!!!
thanks
Jonathan