3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Code P0191

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Old Aug 11, 2008 | 01:04 PM
  #1  
ohioviper's Avatar
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From: Bainbridge ,Ohio
Code P0191

Got the check engine light on the way home this morning. Anyone know what the code P0191 is and should I just clear it or take it in to dealer ? Truck is all stock never chipped.
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Old Aug 11, 2008 | 02:19 PM
  #2  
cincydiesel's Avatar
Muted one day, Banned the next....... Ah the life of a DTR 1%'er
 
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From: Ohio: Home of the disappointing sports teams
P0191 Fuel Rail Pressure Sensor Performance. Take her to the dealer to be on the safe side. Also welcome to the site fill out your sig so we know what you got. Where in Ohio?
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Old Aug 12, 2008 | 09:44 AM
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From: Simi Valley, Calif.
FWIW, I had the same code shortly after getting my 05.
The dealer replaced the sensor under warrenty.
Havent had any probs since.
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Old Aug 12, 2008 | 03:39 PM
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i got that code once, and it cleared itself after a few days and never came back.
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Old Aug 13, 2008 | 08:59 PM
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There is a TSB flash for this problem, tho it might be a bad sensor.

Just had mine fixed with a flash. No further problems.

about 12,000 miles on the clock.
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Old Aug 14, 2008 | 11:14 AM
  #6  
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From: Simi Valley, Calif.
Mine was fixed by the dealer clearing the code and ordering a sensor.
Short time later, I took it in for service and they replaced the sensor.
No prob since.
Truck has 49,000 on it.
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Old Aug 14, 2008 | 09:45 PM
  #7  
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From: Bainbridge ,Ohio
Thanks for the help guys
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