2003 Sable stops at hwy speeds when hot outside

Tiny
LARRYL
  • MEMBER
  • 2003 ALL OTHER MAKES ALL OTHER MODELS
This 2003 Sable with the std engine has less than 60K miles. The engine is stumbling and quitting while slowing at highway speeds. The car will start after a brief time. This only happens when it is hot outside and is intermittent, does not happen every day. It is showing a code P0191, but the engine light does not stay on. The car has been to the dealer twice and they can find nothing wrong with the car.

Problem is intermittent and probably this can be solved by replacing parts until the correct one is found. The fuel rail sensor has already been replaced.

Any idea what part should be replaced next?
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Sunday, April 22nd, 2007 AT 1:16 PM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
P0191 Fuel Rail Pressure Sensor Circuit Performance
Either the sensor or wiring or Fuel pump, Or pressure regulator. Pressure test fuel system!
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Monday, April 23rd, 2007 AT 1:11 PM
Tiny
LARRYL
  • MEMBER
  • 2 POSTS
I removed the lower shroud and cleaned the areas between the two condenser coils and the radiator. We have experienced no further problems.

Thanks you so much for the advice.

Any problems with my filling in the local Ford garage as to what corrected the issue?
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Friday, June 15th, 2007 AT 11:43 AM

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