My truck is a diesel turbo 6.5 it seems to run fine but when I am driving it it seems to have a surge where the truck has more power for about 1-2 sec. And when idling it seems to also surge. Changed oil and filter. And I also changed my fuel filter. I can not figure this out as we do not know a whole lot about diesel engines.
Injector pump may have an issue or the injectors may be clogged.
I reccomend letting a shop check it for you as it is more complicated than you think and not for a do it yourself unless you have expierence
October, 5, 2012 AT 6:14 PM
Ok. The vehicle is not shutting off at all. He just came in from checking the coolant pressure and he said after idling the pressure goes 20+. We suspect a blown headgasket. Could this be what is causing the problems we are having?
October, 5, 2012 AT 8:24 PM
Absolutely. I would resolve that issue first. Make sure you check the heads closely, they are common for cracking.