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Thanks for all your help! Had the cat convertor replaced today....now have to get a new rear O2 sensor, or else it will void the warranty on convertor. Anyway, my check engine light is off! *knock on wood that it stays that way!*
the o2 sensor locations are pretty much the same on all cars.. you just gotta poke your head under ur truck to find them.. you can always tell what the catalytic converter looks like because its a thick part in the exhaust pipe.. "think of the thick part on an earth worm" some of these dodges can have up to three catalytic converters (cat).. one o2 sensor will always read right off the y pipe close to the headers and the second after the cat...