Code Po 191

**CHEVROLADE** · 07-28-2011 06:15 PM

only code my truck throws now...po 191-((fuel rail pressure sensor))

what should i check or look for...u know GG?

**DBRODS** · 07-28-2011 06:16 PM

Is the backfire gone?

**CHEVROLADE** · 07-28-2011 06:27 PM

Originally Posted by DBRODS

Is the backfire gone?

naw man its still there,i even put the l92 intake...but just got the truck back from stealership they put the new FPCM...which was bad cause i no longer throw them codes...im going to Allens in the a.m to mess with it,,,didnt get to make it today as my truck was at GM...

**GasGuzzler** · 07-28-2011 09:20 PM

I ASSume you meant P0191....and it's a diesel only DTC. No wonder you have a backfire.

**CHEVROLADE** · 07-28-2011 09:56 PM

Originally Posted by GasGuzzler

I ASSume you meant P0191....and it's a diesel only DTC. No wonder you have a backfire.

yea thats what it said when i hooked up the obdII at oreillys...i cleared it and it came back right away...

**sprayedenali** · 07-28-2011 09:59 PM

you must have filled up with diesel......

**CHEVROLADE** · 07-28-2011 10:09 PM

Originally Posted by sprayedenali

you must have filled up with diesel......

no way lol

**kerrige** · 07-29-2011 03:13 PM

I love random impossible codes. Your patience is impressive dang thing would have a new power train or a new owner if I were in your shoes.

**bangbangskeetskeet** · 07-29-2011 03:51 PM

Originally Posted by CHEVROLADE

no way lol

You sure?

**farmtruc** · 07-29-2011 05:20 PM

code has to do with the pressure sensor, it's a legit code, just can't find anything wrong with it.
GM isn't much help on this one.

Thread: Code Po 191

Thread Tools

Display

Code Po 191

Posting Permissions