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06 Durango 4.7 O2 sensor bad?

4K views 5 replies 4 participants last post by  Big Red Dango 
#1 ·
My '06 Durango 4.7 is giving bad 02 sensor up and downstream on passenger side.

I replaced both and still getting same codes.

Is ECM bad?

Also getting Cyl 8 misfire code.

Any ideas?

Engine runs rough and very little power.
 
#6 ·
I had the same codes and was getting a cylinder 8 misfire code, are you burning any oil? I was burning thru a quart every 2 weeks , ended up being bad intake plenum gasket (notorious problem on dodge magnum V8s) changed all my plugs and wires as well and I haven't had the codes since and my D doesn't run rough anymore. Hope this might help!
 
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