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

code question

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Old Mar 3, 2007 | 09:01 AM
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trplsea's Avatar
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code question

can anyone tell me what PO191 is ?
Thanks.
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Old Mar 3, 2007 | 09:21 AM
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From: Simi Valley, Calif.
That particular code has to do with the fuel pressure sensor.
Iv had it three times on my 05. the first time the dealer changed the sensor. Second and third time they cleared the code.
They claim that DC knows about it but havent come up with a fixit yet.
I have heard that some 06 s have shown the same code.
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Old Mar 6, 2007 | 09:02 AM
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thanks foe the info, cleared it with the T DOG, hasnt came back in three days.
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