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  1. 6.0L Problems Forum
    I bought a 2006 Ford F-250 with the 6.0L, I’ve noticed over time that on cold start there is a loud whistle other than what a turbo should sound like. While cold if I increase rpm’s to let the turbo spool up or does this same loud squeal and also on release. There is also a grinding noise coming...
  2. 94-98 7.3L Problem Forum
    I have a 97 F-350 7.3L powerstroke. Sorry for the long detail, but I'm at my wits end and repairs are getting costly. My sister drove the truck for a few years while I had my 6.4L. Now that Im back in my 7.3 I felt that it was very low on power. At the same time it was having trouble starting...
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