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Recent content by Ronin

  1. R

    H3 Engine mist

    Just purchased my 1st hummer and H3. Has the I5 engine and was a great find. One owner garage kept in great condition. I get home with it a couple days later the engine starts to hesitate between 3rd and 4th gear when slight acceleration. It finally threw a code of P0420. Changed the O2 sensor...
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