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buzzinhalfdozen · 10-30-2015, 10:58 AM

Bob, never saw a reply about what your 02 sensor does during the issue...goes dead lean, dead rich? That might shed some light on what's happening.

10-30-2015, 10:58 AM	#18
buzzinhalfdozen Senior Member Join Date: Sep 2006 Location: Bellevue Ohio Posts: 985 Likes: 0 Liked 12 Times in 9 Posts	Re: starts breaking up at 4500 rpm. Bob, never saw a reply about what your 02 sensor does during the issue...goes dead lean, dead rich? That might shed some light on what's happening. __________________ Joe Buchanan SS/BX 3117