420 catalyst system low efficiency
02-20-2009, 10:33 AM
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This is fantastic information.
Until now, it thought an O2 sensor was just a "replace and see if it gets better" type of an item. You'll save me a few dollars, and I certainly need that!
Thanks for this information.
Until now, it thought an O2 sensor was just a "replace and see if it gets better" type of an item. You'll save me a few dollars, and I certainly need that!
Thanks for this information.
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