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I previously posted my 2005 Ford Escape Hybrid had a code P0190 . I bought a scan tool and actually have two codes (P0191 and P1237).

At the same time codes appeared, I started getting an intermittent purge type sound and vibration from under the vehicle. It is most prominent near the fuel filter under the drivers side. Starts after vehicle is warmed up and gets worse and more frequent as time goes on. Happens when engine is on, car in park or in gear, car.

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P1237
- Fuel Pump Secondary Circuit (Fuel Pump Driver Module)
p0191
- Low or no fuel
- High fuel pressure
- Low fuel pressure
- Faulty Rail Pressure (FRP) Sensor
- FRP harness is open or shorted
- FRP circuit poor electrical connection
- Faulty Fuel Pump
- Vacuum leaks

Posted on Apr 25, 2014

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Posted on Jan 02, 2017

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