It took a problem for me to post... 08 6.4 350 - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 03-23-2012, 09:51 AM Thread Starter
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It took a problem for me to post... 08 6.4 350

Okay so it took an engine problem for me to post here..

Upon driving home last night I noticed the turbo would spool up and then drop and spool back up to 2 ie mid way on the factory gauge.

I had just pulled in and figured i would take a look at it in the morning.

Okay so morning has arrived and I popped the hood to see that the boot from the air box to the engine had popped off.
After wrestling that back on i figured I had solved my issue. So I turned the rig on and and drove it around the parking lot to the highway.. (boost now holds so I'm thinking I'm in good shape). I get onto the highway and give it some gas.. everything seems fine until I get just passed 2k rpm, at which point the rig starts to act like I am hitting a rev limiter.. WTF..

So that is where I am, Once the RPMs get to 2.5k it acts as if the engine is hitting a rev limiter. I dont believe I screwed the maf up (I've screwed up plenty of mafs in my time so i know what not to do).

Right now the CEL is still on so I am going to disconnect the battery to see if clearing the adaptation tables will help reset the ecu and get it running right.

The real PITA is it is a work truck that I depend on to make a living, I need to get it up and running by this evening. FRAK !!!!

Thanks in advance for any help.
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post #2 of 6 Old 03-26-2012, 08:23 AM Thread Starter
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tried the battery disconnect to clear the ECU.. nothin doin.. Sooo now its off to find a scanner..
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post #3 of 6 Old 06-29-2012, 04:10 PM Thread Starter
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Code p0192 .. low fuel pressure. I have not been able to find any DIY or HOW to's on replacing the sensor. Anyone with a link ?
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post #4 of 6 Old 07-02-2012, 12:39 AM
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low fuel pressure can mean many things though. which sensor are you trying to replace? the main fuel pressure low issues i see are frp sensor, uvc harness, hpp, hpp gasket, and pcv and vcv
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post #5 of 6 Old 07-02-2012, 02:51 AM
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Quote:
Originally Posted by Neel M3 View Post
Code p0192 .. low fuel pressure. I have not been able to find any DIY or HOW to's on replacing the sensor. Anyone with a link ?
How many miles since you changed the fuel filters? I'd change those first if it's been awhile just to rule out any easy fixes
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post #6 of 6 Old 07-04-2012, 10:56 PM Thread Starter
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Thank you for the replies, Looks like I will try the fuel filter. Im new to diesels. German car's not a problem, but I am just overwhelmed with this monster right now. Partially because I just dont have time to devote to figuring it out. I need to get this rig ready for winter work. Thank's again for all of the replies.

I was told there is a fuel pressure sensor under the passenger side valve cover that I should take a look at. I dont know if there is any merrit to that or not but I will start with the fuel filter.

Edit.. Are there any guides such as a chilton/bently/haynes that i should pick up that would help out ? Is one better than the other ?

Last edited by Neel M3; 07-04-2012 at 10:59 PM.
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