VOLVO
ECM-P040100 - Exhaust Gas Recirculation A Flow Insufficient Detected. General Failure Information. No sub type information
Układ
Sterownik silnika (ECM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
2 modeleS80 (2007–), V70 (2008–)
Pokaż modele wg rocznika i silnika (2)
Co oznacza ten kod błędu?
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.
Możliwe przyczyny
- Damaged EGR valve
Co możesz zrobić
- 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
Objawy, które możesz zauważyć1
- The Check engine (malfunction indicator) light comes on or behaves abnormally
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.