VOLVO
EFI-0058 - Abnormal intake air. Faulty signal
System
Elektronische Kraftstoffeinspritzung (EFI)
Volvo-Modelle, für die dieser Fehlercode gilt
Dieser Fehlercode hat je nach Modell, Modelljahr oder Motor unterschiedliche Bedeutungen. Wählen Sie die Bedeutung, die für Ihr Fahrzeug gilt.
Gilt für folgende Modelle:
2 ModelleS40 (1996–2004), V40 (1996–2004)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
Intake air is judged abnormal because the control module receives a signal indicating that the air volume is too large. The cause lies in the control of the idle speed or in the air bypass valve with its wiring. The fault lights the malfunction indicator lamp.
Mögliche Ursachen
- The idle air control is defective
- Short to earth or to a live supply in the idle air control wiring
- Open circuit in the idle air control circuit
- Defective air bypass valve
- Short circuit in the air bypass valve circuit
Was Sie tun können
- 1Activate the air bypass valve with diagnostic equipment and listen for a click from both solenoids
- 2Check the connectors at the air bypass valve and the control module, and remedy any play or oxidation
- 3With diagnostic equipment: read the idle air control motor value with all electrical equipment off and confirm that it rises when the A/C is switched on
- 4Use a multimeter to check that the wiring from the idle valve to the control module is continuous and not shorted to earth
- 5After the repair, read the fault codes again to confirm the fault has been cleared
Symptome, die Sie bemerken können1
- Malfunction indicator lamp (MIL) comes on
Was der Fehler beeinflussen kann1
- The engine may run lean, because the air volume does not match the airflow and throttle position sensor signals
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.