Mercedes-Benz
EGR valve position outside its learned range. On OM642 the EGR actuator is worn or sticking.
P049D fault code: what it means
P049D: EGR valve position outside its learned range. On OM642 the EGR actuator is worn or sticking.
Usual causes, most likely first
- worn or sticking EGR valve/actuator
- carbon on EGR valve
P049D by make
What the repair usually costs
- EGR valve replacement or cleanNZ$350–NZ$1,710 · A$330–A$1,630
Not sure what P049D means on your car? Ask Credov.
Before you clear it
Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.
Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.