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Rough Idle/CEL
Hello all. I have been having trouble with a rough idle and CEL on my '93 explorer. Pulled the codes as per Mr Shorty's write-up and got the following KOEO 111 and CM 157, KOER revealed 998 and 157. As per my reasearch, 111 is a pass, 157 is MAF "is/was" out of range and 998 KOER is a hard...