I had the same codes and situation as you have when I first picked up my "99. Cleaned the MAF with CRC and cleared the codes. Light returned in about 350/400 miles. Cleaned the MAF a second time and added a can of Techron fuel treatment and cleared the CEL. When that tank of fuel was used up I treated the next tank with the conditioner again. Light hasn't returned in 2500 miles.
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