Thread: 3FE Pro?
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Old 08-20-2010, 11:34 PM
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Chris Chris is offline
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Join Date: Mar 2006
Location: Front Range
Posts: 1,026

Scott at AAPerformance Muffler tested the cat a couple days ago and said the temps (180 degrees IIRC) shows its running rich and he suggested a clogged EGR pipe. Can bad 02 sensors cause it to run rich? I have put 101,000 miles on the truck myself so they should be on their way out. I don't have cash for parts that may good for a bit longer. The obvious thing is to find a VOM and test it, thanks Robbie.
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