P3091 - Fuel Rail Pressure-Rate-Controlled Minimum Pressure Fallen Below
- Fuel Tank Empty
- Faulty High-Pressure Fuel Pump
- High-Pressure Fuel Pump harness is open or shorted
- High-Pressure Fuel Pump circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P3091 DescriptionThe Engine Control Module (ECM) monitors the Fuel Rail Pressure Rate Controlled. The ECM sets the OBDII code when the Fuel Rail Pressure Rate Controlled is not to factory specifications.
P3091 Information for specific makes
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