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Old 10-28-2010, 09:42 AM
NCHornet NCHornet is offline
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Re: PO420, P0171 Need Help Please

I can't remember right now but are there two cat's on the Passport? My daughter is at school so I can't verify, but I remember both sides going through a single cat. But I could be wrong. I can get a universal cat for around $100 and a sensor for $60. This would probably be cheaper than finding a place that has the equipment to perform these tests. I live in a small town so I would have to drive 45 min to the city to find a place. Could I swap the bank one and two sensors and if the code switches to low effiency bank two we would know it is the sensor and not the cat? Just a idea. I am leaving town for 10 days to 2 weeks so I will dive into this when I get back home. I can't thank you enough for all your help.
Kevin
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