Powertrain
generic / SAE
P0194
Fuel Rail Pressure Sensor Circuit Intermittent
The ECU detects intermittent signal dropouts on the fuel rail pressure sensor. Loose connector, chafed wiring or sensor failing under vibration/heat.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / 94
Possible causes
- Connector loose high
- Wiring chafed medium
- Connector with intermittent contact under vibration low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 150–800 €
- Estimated time: 1–4 h
- Component: fuel rail pressure sensor
- Component: sensor connector
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012