This originally seems like an ignition problem, given the shudder, it sounds like a bad ignition coil, which is causing the car to "miss" which means that it's not firing on all four cylinders. About the metal grinding, that could have been from the starter engaging when the engine was running perhaps. Find out what the code was when pep boys did the diagnostic. It will be more helpful for us to see what the computer is saying.
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Wednesday, July 30th, 2008 AT 9:06 PM