P2413 — EGR System Performance
Seen on: Heavy Truck/Diesel
EGR System Performance. Common causes: EGR valve stuck or degraded flow.
Your code rides along, so nearby mechanics see the fault before they quote you.
How serious is it?
Serious. Power derate likely — plan to stop soon.
Most likely causes
- EGR valve stuck or degraded flow
- Carbon buildup
- failed EGR valve
- cooler leak
First moves (roadside)
- Inspect EGR valve for carbon
- measure valve position vs commanded
FAQ
EGR System Performance. Common causes: EGR valve stuck or degraded flow.
Serious — Power derate likely — plan to stop soon.
The most common cause is: EGR valve stuck or degraded flow. Other possibilities include Carbon buildup; failed EGR valve; cooler leak.
Power derate likely — plan to stop soon. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Find a mechanic or related guides
General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.