The throttle may have a protrusion which can be impeded by the fuel pump cover and cause loss of accelerator control. The interference occurs between the throttle lever stop pin and a rivet securing a side plate on the fuel pump housing.
The remedy
The throttle lever stop pin will be ground flush to the throttle lever on the fuel pump side.
Vehicle category: trucks equipped with cummins engines, models nh and k.system: fuel; throttle levers.consequences of defect: a jammed throttle can result in loss of vehicle controlpossibly leading to an accident. Serious engine damage or personal injury canalso occur.note: units containing the suspect engines should not be driven until inspectedand corrected.