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Originally Posted by Z71K9KOP
Did anybody find out what the problem was? I have this same issue. The exact same codes! Looked over everything. No one can find it.. errr!!!! Always seems to run fine though.. Just that SES light drives me nuts!!
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Are you using a K&N filter?
I am having the same prob. and codes.
Replaced the fuel filter and the light came back.
I was told that the oil from the K&N will cause the mass air flow sensor to get dirty. My fuel economy has also went to the dumps.
Going to clean the MAF, and put a paper filter back in. Hope it works, and is not the o2 sensors, they are not cheap. Let me know if the same is for you.