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Old 03-05-2005, 09:13 AM   #3
rusty01
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Re: Re: P0138 oxygen sensor 2001 Ram 5.9L Gas

Quote:
Originally Posted by duffman_2869
its definitely one of the sensors after the catalytic converter. if it only has one cat... easy enough. if it has 2, youll have to find whitch side manifold they are referring to as bank 1. bank = left or right side. sensor 1= before cat. sensor2 = after cat. oh yeah... if you have one cat., you have 3 02 sensors. if theres 2 cats, you have 4 o2 sensors.

i have a 01 ram also, and i only kno about 2 o2 sensors, ones infront of the cat and ones directly behind the cat. where is the third sensor located?
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