P1168 LINCOLN Possible Causes
- Faulty fuel rail pressure sensor
- Fuel rail pressure sensor harness is open or shorted
- Poor electrical connection in the fuel rail pressure sensor circuit
- Low or no fuel
How to Fix Code P1168 LINCOLN?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1168 LINCOLN Meaning
The Component Comprehensive Monitor (CCM) monitors the fuel rail pressure (FRP) for acceptable fuel pressure. The Engine Control Module (ECM) detected that the fuel pressure was low for the operating condition. The test fails when the fuel pressure falls below a calibrated value.