Originally Posted by ZCanadian

The other thing is, the TSB's might mean the problem is easier and cheaper to diagnose for the dealership - as opposed to the independent "garage" which might be re-inventing the wheel in terms of diagnosis, or perhaps even barking up the wrong tree altogether.

Sometimes, I've found that it is better to pay dealership shop rates for the experience, than to let someone else work on the car. Especially true these days, with modern vehicles being so computer-controlled. Not like in the old days, when it was either fuel or spark...