Ford Mustang Forum - View Single Post - Exhaust and 02 sensors
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post #13 of (permalink) Old 04-30-2006
Ford Freak
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Joined: Apr 2006
Location: Davenport
Posts: 14
Re: Exhaust and 02 sensors

I can dig it, but what I'm trying to get at is when the new H-pipe is put on with only having two cats, where will the extra O2 sensors(the ones that go to the upper cats) go? Will they be needed or do they get eliminated and if so , how would I keep the "service engine soon" light from coming on?
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