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  1. 05-31-2006, 10:15 AM #1
    danman
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    SES light with 2 codes....P0155 & P0174???

    I have a 2000 T/A. The SES light came on yesterday, so I went to AutoZone to read the codes. P0155 and P0174
    Anyone know what the problem is? I have 02 sims on the back sensors. Is there a webpage that shows what all the codes are? I used to have a print out of them, but I can't seem to find it now.
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  2. 05-31-2006, 10:20 AM #2
    ~redlinels1~
    ~redlinels1~ is offline
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    1998 Pontiac Trans Am

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  3. 05-31-2006, 10:20 AM #3
    danman
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    P0174 - Fuel Trim System Lean Bank 2
    P0155 - Heated Oxygen Sensor Heater Circuit (bank 2, sensor 1)

    What does this mean? Which 02 sensor is it?
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  4. 05-31-2006, 10:34 AM #4
    2001NBMZ28
    2001NBMZ28 is offline
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    Both codes are for Bank 2 (passenger side) Sensor 1 (precat) sensor.
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