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help with s-10
I changed the cat on my s-10 two months ago and the DTC P0420 Catalyst System Low Efficiency went a away. It just came back any ideas?
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Re: help with s-10
bad cat? Guy on another forum bought a new high flow cat and had to replace it after 3 months....some times you just get screwed. Check the 02 sensor -
Re: help with s-10
did you get a universal high flow one? If so did you use a o2 sim or does the s10 not have a post-cat o2?Comment
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Re: help with s-10
it a oe cat and it does have a post cat o2 sensor. You guies think the sensors badComment
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Re: help with s-10
I changed the rear o2 sensor and Iam still getting the code any ideas? helpComment
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Re: help with s-10
any one?Comment
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