Was bedeutet der Fehlercode ECM-0194?

Diagnose und Fehlercodedefinition für ECM-0194 (Volvo C30 (2007–2013), Volvo C30 (2007–2013), Volvo C70 (2006–2013)). Steuergerätereparatur bei OBD Tuning.

VOLVO

ECM-0194 - Fuel pressure sensor. Signal missing

System

Motorsteuergerät (ECM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

4 Modelle

C30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)

Modelle nach Baujahr und Motor anzeigen (10)

Was bedeutet der Fehlercode?

Although the code is named signal missing, it applies when the fuel pressure sensor reading is uneven or unreasonable. The engine control module monitors the signal and logs a fault when it falls outside the permitted range. The cause is either poor contact in the connectors or a damaged sensor.

Mögliche Ursachen

Loose connection, contact resistance or oxidation in the connectors
Damaged fuel pressure sensor

Was Sie tun können

1Read the fault code, clear it and road test to see whether it returns
2Check that the connector at the fuel pressure sensor is fully engaged and free from oxidation
3The fuel system runs at very high pressure and can cause injury. Have a workshop make pressure checks
4Follow the wiring from the sensor and look for looseness, chafing and loose clips
5If you have a diagnostic tool, check in live data whether fuel pressure reads steadily with the engine running. An uneven value points to the sensor or connector
6If the fault returns after a road test, have a workshop decide whether the sensor should be replaced

Symptome, die Sie bemerken können2

Car drives poorly and lacks power
Text message and warning symbol in the display

Was der Fehler beeinflussen kann1

Engine torque may be limited

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