2515990C3 | Genuine International® Diesel Exhaust Fluid Header Cylinder White smoke: unburned fuel (injection

White smoke: unburned fuel (injection timing off or weak pressure)

Signs of a Bad Exhaust Gas Recirculation Valve A9061420419

Signs of a Bad Fuel Injection Pump 0-986-437-502:

Check engine or emissions warnings

or rubbery brake fluid can indicate internal seal breakdown inside the master cylinder

2515990C3 | Genuine International® Diesel Exhaust Fluid Header Cylinder White smoke: unburned fuel (injectionDescription: A Diesel Exhaust Fluid (DEF) header 5G QLS SSI 2515990C3 is a key component in a diesel vehicles emissions control system, specifically within the Selective Catalytic Reduction (SCR) system. The DEF header (also called a DEF tank head or DEF sender assembly) is the unit mounted on or inside the DEF tank. It monitors and manages the Diesel Exhaust Fluid thats injected into the exhaust to reduce harmful nitrogen oxide (NOx) emissions. Part