Quote:
Originally Posted by NxTH
This is called guessing and throwing parts at the car. If something specific happened to your car, it doesn't make it usual. Diagnostics comes before parts. Step one is to read the error codes and/or get the mechanic to check their work on the charge pipe they replaced.
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Yes, you're correct. However, spark plugs are cheap, and if they haven't been replaced in a while, might as well do them. In my experience, this is usually a spark plug or fuel injector issue. Have seen it many times and it's happened to me. Scan the car for codes, and see what it says.
Edit: I saw the charge pipe was replaced. Like NxTH said, it could be the charge pipe. Check to make sure that the charge pipe is properly secure.