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International Automotive Technicians Network
Re: 1998 Pontiac Grand Am 3.1L
Posted to Technical Discussion Forum on 10/8/2004

checked for rich/lean condition? o2 grounds? o2 heater working properly? Other sensors in range? Something destroyed your converter, and anything that destroys a converter can get your o2 sensors,too. Also more test results and more scan data = more and better... Login to read more.