Why is my cummins blowing white smoke?

White smoke often occurs when there is either too much fuel being injected into the combustion chamber, or not enough heat to burn the fuel. Other causes of white smoke include lack of compression, or water/coolant entering the combustion chamber.

What are the advantages of Cummins step timing control?

Cummins STC (Step Timing Control) Advantages STC, short for Step Timing Control, controls the engine timing in an effort to minimize white smoke at cold engine start-up. STC has two stages of injection timing.

What are the advantages of STC in Cummins?

STC has two stages of injection timing. The engine operates in the ADVANCED mode of injection timing during starting and light load conditions and at NORMAL timing during medium to high load conditions. STC has many advantages.

How to change timing on a Cummins injector?

Tighten the adjusting screw on the injector rocker lever until the timing plunger just touches bottom. Back out the adjusting screw on the injector rocker lever two flats (120 degrees). Two flats will provide 0.56 mm [0.022 in] lash. The specification is 0.50 to 0.74 mm [0.020 to 0.029 in] lash. Hold the adjusting screw and tighten the lock nut.

What are torque specs on a Cummins diesel?

What are the torque specs for fasteners from the heads up on an N14 cummins diesel engine, including rocker arm assembly, rocker arm housing, engine brake housing, and cover.… read more DR.Cummins FIELD SERVICE TECHNICIAN

How big is the injector valve on a Cummins?

Tighten to 54 N•m [40 ft-lb] ,Tighten to 108 N•m [80 ft-lb] and thenTighten to 156 N•m [115 ft-lb] Torque the jake hold down bolts to 75 ft-lbs. Bar Engine in Direction of Rotation Pulley Position Set Cylinder Injector Valve Start A 1 1 Advance to B 5 5 Advance to C 3 3 Advance to A 6 6 Advance to B 2 2 Advance to C 4 4 Firing Order: 1-5-3-6-2-4

What’s the firing order for a Cummins injector?

Firing Order: 1-5-3-6-2-4 Loosen the adjuster screw and Bottom the injector timing plunger by tightening and loosening the adjusting screw three or four times to remove the fuel. When removing the excess fuel, do not apply crush to the injector timing plunger by further tightening the adjusting screw after the plunger is bottomed.

Why is my cummins blowing white smoke?