Originally Posted by van

Not sure how much, but it's easy to do and should take less than 30 mins. All they have to do is remove the front wheels and peel back the splash guard to examine. I would stress to them that the rough idle (which is what you originally brought in for before), still isn't fixed. So they really shouldn't charge you for the inspection.

Originally Posted by van

Clean your MAF sensor with electrical contact cleaner, and check your air filter (replace if necessary). While your at it, check for any sign of oil in the air intake.