1999 Mercedes Benz ML430 trouble code:170-173

1999 MERCEDES BENZ ML430
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TOMSAUTO
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Engine Performance problem
1999 Mercedes Benz ML430 V8 All Wheel Drive Automatic

I just replace all o2 sensor and retighten all head bolt, but that 2 no. still on!
Sep 6, 2009 at 8:16 PM
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