2010 Ford Explorer error code P0191

Tiny
GHAZITM
  • 2010 FORD EXPLORER
  • 4.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 69,000 MILES

I faced a problem that my Explorer RPM fluctuating and the car stop moving while the engine still running I checked with my ACTRON code reader and it showed code P0191 (Fuel Rail Pressure sensor A circuit Range/Performance)
Where could be the problem? Is it the sensor? Or it might be the fuel pump?

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Saturday, April 12th, 2014 AT 9:38 PM

2 Replies

Tiny
HMAC300
  • EXPERT
  • 45,746 POSTS

Check fuel pressure with a gauge first auto parts rent it and clean throttle plate on both sides an diac hole with choke cleaner. Shold be 30-40 psi key on engine off

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Sunday, April 13th, 2014 AT 8:41 AM
Tiny
GHAZITM
  • MEMBER

The fuel pressure is OK.
But I found that when I leave tha car running for long time fuel pump start giving abnormal sound.
I changed the fuel pump and filter, now my car performing greatly.
Thank you for your advice.

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Friday, April 18th, 2014 AT 8:04 AM

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