VOLVO
ECM-P040100 - Exhaust Gas Recirculation A Flow Insufficient Detected. General Failure Information. No sub type information
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
2 ModelleS80 (2007–), V70 (2008–)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
The engine control module (ECM) continuously monitors exhaust gas recirculation (EGR) and sets the fault when the flow through the system is too high. Although the code is named as insufficient flow, it therefore applies to excessive flow.
Mögliche Ursachen
- Damaged EGR valve
Was Sie tun können
- 1Check that the EGR valve can be fully closed and opened without sticking; dirt and soot can make it stick and set this fault
- 2Check that the EGR valve is not damaged
- 3If you have a diagnostic tool, read the EGR valve position at idle and when throttle is applied, and check that the value changes
- 4Read and clear the fault code, then road test the car to see whether it comes back
- 5After the EGR valve has been replaced or repaired, a workshop needs to carry out an adaption of it
Symptome, die Sie bemerken können1
- The Check engine (malfunction indicator) light comes on or behaves abnormally
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.