For the past couple months I crank my truck,it runs a few seconds ,then shuts off.I have taken back to the dealer three times they say they've never seen this,& go on to say they called GM tech support who say I need to change where I buy fuel from.Has anyone else seen or heard of this & what's the cure.








Firehouse4514 2003 duramax

Does sound like it and it sounds like you need to take it to a dealer that does some real diagnosis.

We've seen it before on the forums. Some have simply tightened the filter or the plastic drain on the bottom of it. Some have had the entire fuel line replaced. Not very common problem but it does occur.