Heavy Duty Vehicles

Emission Component

EGR - Check Valve Operation & Clean Passages every 60,000 miles
EGR - Check Transducer Operation & Clean Passages every 52,500 miles
Crankcase Inlet Air Filter - Clean every 24,000 miles
Engine Air Filter - Replace every 24,000 miles
Oxygen Sensor - Replace every 80,000 miles
PCV Valve - Replace every 60,000 miles
Vacuum Operated Emission System Components -
Inspect & Replace if Necessary every 60,000 miles