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  1. Exhaust
    Recently I had my catalytic converter stolen from my TB…Definetley was not going to replace it as my state does not do emissions testing. Had a pipe bent and welded back in its place. So now we still have the check engine light….This is due to the fact the two O2 sensors were not communicating...
    catalytic converter exhaust non-fouler
  2. Trailblazer SS Engine Related Questions/Info
    I have had some issues with codes P1153 and 1133. I have a new catalytic converter all new sensors, a new gas tank and all new injectors. The light is back on with the same codes. Any ideas? Thanks in advance!
    catalytic converter check engine light p1153
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