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997 Tune Up Needed?
I have a 2006 C4S with 55k miles. For the past weeks, the car has felt sluggish, with the engine revving to 1.2k when it should be idling (At a red light) and sometimes i can smell what i think is sulfur.
I was wondering if need a tune up or if something has gone wrong?
By the way, what is included in a tune up? Spark plugs? Oil? Air filter?
Cheers,
Andrew
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