Code
P0191
Fuel
Capteur de pression rampe — plage
La lecture de pression de rampe n’est pas plausible.
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Most likely causes
- Capteur défectueux
- Pompe faible
- Filtre bouché
Symptoms you may notice
- Check engine light
- Hard start
- Poor power
Checks to run
- Compare sensor to a gauge
- Check fuel pressure
- Test the sensor
Tools you may need
Fuel pressure gauge
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.