Don;t spend the money , the car is running good ? check for air leaks , the boots that are around the MAF can leak air , clean and check all before doing this , I had this go on for more then a yr , and found out it was the boots around MAF , Most time it air leak , that can give you this code too P2098 and or P2096 , check muffler for any leak , Hope this help , any air leak from anywhere will give this code too