EGR and O2 codes: related?
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Hi all,
My mothers car, a 2000 S-Type has a check engine light that she said comes on for a bit then goes off. I read this the other day when it was on. It had 2 codes: a P0133: Oxygen sensor slow respone *codes* A U, and a P0401: Exhaust gas recirculation flow insufficient detected.
Are these related or not? I was planning to look at the egr inlet on the manifold (never done it before, any advice?) but im not sure if i should order an o2 sensor as well or not...
thanks in advance.
My mothers car, a 2000 S-Type has a check engine light that she said comes on for a bit then goes off. I read this the other day when it was on. It had 2 codes: a P0133: Oxygen sensor slow respone *codes* A U, and a P0401: Exhaust gas recirculation flow insufficient detected.
Are these related or not? I was planning to look at the egr inlet on the manifold (never done it before, any advice?) but im not sure if i should order an o2 sensor as well or not...
thanks in advance.
Last edited by tonyvisone; 07-22-2013 at 09:35 PM.
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