Perhaps you should do the compression test first. You can even do this yourself while at their workshop, so there will be no extra charges. The extra water vapour in your tailpipe is not right. Your mechanic may have misdiagnosed the issue. Please ask him to describe the exact steps he took to arrive at the conclusion that the wp is busted.
Last edited by robertobaggio20; 10-15-2012 at 08:01 PM.