Was bedeutet der Fehlercode ECM-P013A21?

Diagnose und Fehlercodedefinition für ECM-P013A21 (Volvo S60 (2011–), Volvo S60 (2011–), Volvo S60 (2011–)). Steuergerätereparatur bei OBD Tuning.

VOLVO

ECM-P013A21 - O2 Sensor Slow Response - Rich to Lean (Bank 1 and Sensor 2). General Signal Failures. Signal too low

System

Motorsteuergerät (ECM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

7 Modelle

S60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V70 (2008–), XC60 (2009–)

Modelle nach Baujahr und Motor anzeigen (20)

Was bedeutet der Fehlercode?

Although the code is named for a low signal, it concerns the rear oxygen sensor in bank 1, sensor 2, which shows a lean mixture too late. The engine control module (ECM) checks the sensor and changes the mixture if the sensor does not show lean. At fuel cut-off the sensor should show a lean mixture, and if the switch takes too long the code is set.

Mögliche Ursachen

Leak in the exhaust system
Damaged rear oxygen sensor

Was Sie tun können

1Read the code, clear it and road test the car to see whether it comes back
2Check the exhaust system for air leaks; a leak before the rear sensor can give a wrong signal
3Check the connector to the rear sensor and do not use rust solvent spray or grease in it
4If no leak is found, try a new rear oxygen sensor, as a damaged sensor can also set the code

Symptome, die Sie bemerken können1

Check engine light (MIL) on

Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.