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Just following the trend...BLLdogg

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  • Just following the trend...BLLdogg

    P0153 Heated Oxygen Sensor (HO2S) slow response Bank 2 Sensor
    P1133 Heated Oxygen Sensor (HO2S) insufficient switching Bank 1 sensor 1
    P1153 Heated Oxygen Sensor (HO2S) insufficient switching Bank 2 sensor 1


    "Supporting" these codes:

    P0171 Fuel trim system lean Bank 1 x2 ( 1 pending. )
    P0174 Fuel trim system lean Bank 2
    P0300 Engine misfire detected x2 ( 1 pending. )


    Any ideas? I have an O2 simulator for the downstream, and it's never caused any problems yet...should I suspect this one?

  • #2
    Re: Just following the trend...BLLdogg

    figure out why you are going lean. do you have a vacuum leak? is the fuel pressure strong and steady? evap leak?
    2000 3.8 A4 Pewter Camaro

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    • #3
      Re: Just following the trend...BLLdogg

      I seriously have been really busy, and the weather has been non-stop raining. But when I start my car ( keepin' the oil fresh through the motor!! ) I notice at first, it idles smoothly, but after it runs off choke(I think it does at least), it seems to start missfiring then...helpful info? I noticed after I shut it off after she miss fires, and start her right back up, she miss fires a little worse.

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      • #4
        Re: Just following the trend...BLLdogg

        have you tried new o2s?

        current car- 95 Trans am- bolt ons, parked and collecting dust. why? because **** it

        Follow me!
        http://www.twitch.tv/optimusprymrib
        Or this

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        • #5
          Re: Just following the trend...BLLdogg

          not even yet. still in the process of fixing my suspension system.

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