Q: check engine light is on. p0401 and p0125. car works with no problem. temp is on midline.
CEL is on. car works with no problem. idle running is good. temp is in midline. codes:p0401 and p0125. i cleaned the EGR valve with carbon remover and its the same. resetting the computer by battery disconnection keep it off for only 2-5 miles.
My car has 220000 miles.
My car has an automatic transmission.
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