VOLVO
ECM-P120329 - Cylinder #3 Injector Circuit Open/Shorted. General Signal Failures. Signal signal invalid
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 code for cylinder 3 is set when the engine control module (ECM) sees that the signal to the injector does not match what is expected, for example when it is too high or too low.
Mögliche Ursachen
- Contact resistance or oxidation in the connections
- Short circuit or open circuit on the wires to the injector
Was Sie tun können
- 1Read and note the code, clear it and road test to see whether it returns
- 2Check the connectors at injector cylinder 3 for contact resistance and oxidation
- 3Inspect the wires to cylinder 3 for chafing, breaks and pinching
- 4If you have a diagnostic tool: activate injector cylinder 3 and check that it operates
- 5If you find no fault: have a workshop check the injector
Symptome, die Sie bemerken können2
- The engine does not start, either occasionally or all the time
- Poor performance and lack of power while driving
Was der Fehler beeinflussen kann1
- Injection stops
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.