Case of the sputters? - Ford Powerstroke Diesel Forum

 
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post #1 of 9 Old 12-12-2012, 07:09 AM Thread Starter
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Case of the sputters?

Yesterday was a cold day. I didn't drive all day. About 6pm i took it to the store. While she was cold it cut out sputtered, i let off the gas, she caught her breath and off we went.
Today when she was warm it happened 3 times. Wasn't under a load, just crusing highway speed (65)

Any thoughts? Fuel filter is about 6k miles old. Clean fpr screen. I did just do the fpr bbq shim mod a few days ago? Is there any neg effects to that? Is it possible with higher pressure its "flooding "

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post #2 of 9 Old 12-12-2012, 07:19 AM
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Diesels in a sense can not flood unless you have a bad injector. Did you check the fuel pressure before and after doing the BB mod. You don't want more than about 70 psi at idle. How cold is cold? Are you running any fuel system additive like Diesel Kleen with anti gel?

Jack
97 F250 Xlt, built E4od, D60 swap, Baby swamps, tunes by Dp
1.0 turbo housing, 203* t-stat, diy 6637, 4" exhaust
Diy intercooled, 6.0 fan, Diy 140v Idm, Isspro Ev gauges
On board air, E-fuel, 6" lift on 35's
322000 miles
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post #3 of 9 Old 12-12-2012, 07:24 AM Thread Starter
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No on fuel pressure check. Was about 15* all night. Maybe 30* all day and yea on the diesel kleen white bottle

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post #4 of 9 Old 12-12-2012, 07:39 AM
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Have you drained the fuel bowl making sure there is no water in the fuel? I would do a fuel pressure check.

Jack
97 F250 Xlt, built E4od, D60 swap, Baby swamps, tunes by Dp
1.0 turbo housing, 203* t-stat, diy 6637, 4" exhaust
Diy intercooled, 6.0 fan, Diy 140v Idm, Isspro Ev gauges
On board air, E-fuel, 6" lift on 35's
322000 miles
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post #5 of 9 Old 12-12-2012, 08:08 AM
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I also gave you the sheet on how to check your HPOP line pressure with a DVOM. To me if it is happening after the truck warms up then there is either:

-Gelling in the tank making it hard to draw fuel from it
-EBPV is closing for some reason (like intake air temps below 37*)
-low HPOP line pressure.

+ Matt +
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank

-Oh, and a 2015 F350 6.7L DRW 4x4

Re-pinning '97 Cali PCM to Federal
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post #6 of 9 Old 12-12-2012, 08:11 AM Thread Starter
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Ilk have to check the hpop and drain the bowl. I actually unplugged the ebpv Monday afternoon. It slapped shut HARD 2 times on the highway on the way home?

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post #7 of 9 Old 12-12-2012, 08:14 AM
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Now by "unplugged the EVPV" you mean that you also wired the the mechanical part of the valve open so that there is no way for the valve to close by exhaust pressure?

+ Matt +
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank

-Oh, and a 2015 F350 6.7L DRW 4x4

Re-pinning '97 Cali PCM to Federal
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post #8 of 9 Old 12-12-2012, 08:26 AM
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The spring in the actuator should hold the valve open buts that's not saying that the oil solenoid isn't leaking past causing the valve to close

Jack
97 F250 Xlt, built E4od, D60 swap, Baby swamps, tunes by Dp
1.0 turbo housing, 203* t-stat, diy 6637, 4" exhaust
Diy intercooled, 6.0 fan, Diy 140v Idm, Isspro Ev gauges
On board air, E-fuel, 6" lift on 35's
322000 miles
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post #9 of 9 Old 12-12-2012, 09:04 AM Thread Starter
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Quote:
Originally Posted by BigFuel View Post
Now by "unplugged the EVPV" you mean that you also wired the the mechanical part of the valve open so that there is no way for the valve to close by exhaust pressure?
no just unplugged as in disconnected it. thats how it was when i bought the truck. figured there would be a fail safe to hold it open

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