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International Automotive Technicians Network
Re: 1997 Kia Sportage Code PO172 System too rich
Posted to Technical Discussion Forum on 8/6/2002

George,

If the system is anything like Honda's (which it probably is). It probably has an O2 sensor voltage stuck on rich side which alarms the ecm into setting a code. This is a real common problem with a lot of new Honda products right know. the fix is jus... Login to read more.