Quote Originally Posted by casey23 View Post
umm...two "stuck injectors" would cause a hard start and long crank time... not going to cause the off idle problem your talking about.. Is your pressure regulator good i am sure?.. you didnt list any mods to the truck.. I am going to guess this ia 5.3L ? or OBS... 96-99 5.7 have injector poppet problems that will cause what your talking about.. but it will also throw a code for missfire...

'03 6.0l . I removed the injectors and cleaned them. Fuel had gelled in the rails and injectors from sitting several months. Truck runs much better now. The off idle and miss are gone.

Afterward I ran the Seafoam through the intake and fuel system.