Fuel

[Farmboy1123]

I have a diablo predator on my 06 lbz duramax and when I put it on the 120hp tune and go past half throttle it seems like my truck isn't getting enough fuel for full potential.. Any thoughts what this may be?

 

[IdahoRob]

Stock fuel system should be able to support 120HP, so I'd look to a dirty fuel filter or fuel supply issue.

 

[Farmboy1123]

How much would a fuel filter cost

 

[JD4440]

How did you come to the conclusion your running out of fuel ? Filters can be found online for around $30 . It'll be 50 at an auto parts store.