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Chevy S10 - GMC S15 and Sonoma Vibrations

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Comments

  • gonogogonogo Posts: 871
    No cat, how do you keep the check engine light from being on all the time.
  • bmockbmock Posts: 7
    When i cut the cat out i took the o2 sensior out of the cat and welded it back into the exhaust so it still reads as it being there
  • gonogogonogo Posts: 871
    Can't be reading right with no cat, should put check engine light on if in fact the check light does work.
  • bmockbmock Posts: 7
    NO the check engine light works because when it was missing on one cyl. it came on after i cut the cat out it just runs a little bit fatter now
  • gonogogonogo Posts: 871
    Well the post cat sensor sends information to the PCM on how well the cat
    efficiency is performing . No cat, poor performance, light on. Well who am I to say your light is on.
    BTW you can buy a sensor to plug into the 02 sensor and the PCM still thinks there is a cat installed. I would never do it though.
  • bmockbmock Posts: 7
    I will just leave it alone it doesn't turn the check engine light on and it still runs great no problems i acutally think it running a little bit fatter helps it in the long run
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