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Question
Sutty
Hello, I just rolled 200K in my truck and my truck's check engine lite came on with a p0161 which is a passenger side heat coil failure on the o2 sensor after the cat. Might be because I just ran some sea foam through but since they are still the original ones I thought it might be a good time to change them all anyway. So I started looking into it and the parts depend on which transmission I have which I thought was weird??? 4L80 or 4L60E. How can I tell which one I have call the dealer with my vin?
Oh its a 98 GMC K-1500
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