o2 sensor

  1. Andrey Sidorov

    06 roush runs extremely rich/ barely starts

    Hey guys, nice to meet you all, i have an 06 stage 1 roush with procharger on it Recently my alternator went out and after i replaced it with sr performance one i started to have issues explained below (not sure if these are related with alt swap tho). Car runs dummy rich, 10.1 afr on wideband...
  2. J

    Check engine light

    I have a ‘11 GT (5.0, 108K miles) with the check engine light on. Codes were for bad O2 sensors bank 1 sensor 2 and bank 2 sensor 1, I have changed both sensors. Now it is telling me that bank 2 sensor 1 has a low voltage code and the check engine light is on again. I took the upstream sensor...
  3. Nick93

    BBK catted x pipe.. check engine light

    Hey all.. so I just installed the BBK catted x pipe that comes with high flow cats on my 06 GT. About 20 minutes of driving my CEL came on, code is P0155 O2 sensor heater circuit bank 2 sensor 1. I realized the connector wasn't fully connected for the pre-cat sensor on the drivers side. I drove...

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