Loss of compression in Series 60 engines may result from a variety of sources, including worn or broken fire or compression rings, holes in pistons,…
Category: Misfiring Cylinder
To determine if a faulty electronic control module (ECM) is causing the cylinder to misfire, perform the following: Note: Carefully disengage the lock tab…
To determine if a faulty fuel injector is causing the cylinder to misfire, perform the following steps: Install DDL adaptor to the data cable…
The injector height is adjusted using the injector height gage, J 39697 (DDEC III/IV) or J 35637-A (DDEC II and I). On engines equipped with…
Intake valve clearance and injector height are adjusted by means of an adjusting set screw and locknut located at the valve (or injector) end of…
Perform the following steps to recalibrate improper injector setting: Note: Injector calibration and bar codes may be absent from the load plates on first-run…
To determine if an improper injector calibration setting is causing the cylinder to misfire, perform the following steps: Remove the valve rocker cover(s); Record…
To determine if aerated fuel is causing the cylinder to misfire, perform the following steps: Disconnect the fuel line return hose from the fitting…
To determine if poor vehicle ground is causing the cylinder to misfire, perform the following steps: Remove alternator belt. Start the engine. Run the…