Fuel System/Emissions
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
What Owners Say
"Warranty replaced heater. Had to pay for def fuel pump"
Anonymous A., OR (2016 Chevrolet Silverado 2500HD LTZ 6.6-L V8 diesel)
"I take Emission control includes the DEF system ,it froze twice and caused me to be fearful because I live up north and the vehicle was ready to shut down at -30 to -40 c .limited ways to thaw out a frozen DEF fluid.Their system is life threatening system.I got the DEF system deleted because it is life threatening for a northerner."
Anonymous A., SK (2016 Chevrolet Silverado 2500HD 6.6-L V8 diesel)