[jricherson]

When the truck is first started it runs normal and power but after pulling my trailer for an hour or more it idles rough and lower power.
It is ticking (I assume an up pipe donut leak) and going to change it, but wondering if maybe HPOP, the FPR is at 70 psi at idle, so I assume the fuel pump is good.

Any ideas?

 

[action4478]

When the truck is first started it runs normal and power but after pulling my trailer for an hour or more it idles rough and lower power.
It is ticking (I assume an up pipe donut leak) and going to change it, but wondering if maybe HPOP, the FPR is at 70 psi at idle, so I assume the fuel pump is good.

Any ideas?

Is the oil full >

Are you due for an oil change ?..

 

[jricherson]

Oil is full and only 3,000 miles on it. Looks clean, not real black.

 

[jricherson]

Well, I crawled under the truck with a light to see where the exhaust leak was and the manifold gasket seemed to have disapeared as there was black soot everywhere. Would the exhaust leak cause low power? Also would my EGT's be higher with a leak?
Thanks

 

[Patrick Feeley]

If the leak is before the turbo, it sure will (not as much boost). Cheers!