fuel pressure problem 1999 e350 HELP!! - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 6 (permalink) Old 05-22-2009, 05:12 PM Thread Starter
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fuel pressure problem 1999 e350 HELP!!

early e350 when cold it runs great, after about 10 min of driving fuel pressure starts to drop slowly from 60psi to 0psi then dies, fuel pump brand new and pump still on with 0psi. wait another 10 min runs good then does same thing over again. no CEL. any body have any thoughts? thanks jay

1999.5 F350 XLT EXT CAB AUTO 4X4,K&N W/6037, DPF5,HIGH IDLE,80T,80E,120R,140BOOSTFOOLER,PHANTOM2 GAUGES BOOST,TRANS, EGT,CUSTOM 4R100 W/ JWVB,BILLET HARD PARTS,427LINE,RACERX PARTS,BD PAN,6.0 COOLER,DETROIT TRU TRAC,3.73,VAN TURBO W/ATS&HIFLO OUTLET,4" STRAIT PIPE,AFE INTAKE MAN,140V IDM,325/60/20 NITTOS,2.5"LEVELKIT,OPTIMA'S,PIONEER DVD/NAV
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post #2 of 6 (permalink) Old 05-22-2009, 09:15 PM
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Re: fuel pressure problem 1999 e350 HELP!!

Hmmm... Did you check the flow, not just the pressure?

Try opening the drain on the fuel bowel and then turning on the key. The
fuel should come out of the drain with some force... If it just dribbles out
then the fuel pickup or the in-tank filer could be plugged..

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post #3 of 6 (permalink) Old 05-22-2009, 10:54 PM
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Re: fuel pressure problem 1999 e350 HELP!!

Quote:
Originally Posted by dmd View Post
Hmmm... Did you check the flow, not just the pressure?

Try opening the drain on the fuel bowel and then turning on the key. The
fuel should come out of the drain with some force... If it just dribbles out
then the fuel pickup or the in-tank filer could be plugged..

2000 f-350 cc lb dually 4x4, BTS transmission
7.85@ 90 mph on MT mud tires and 8,000 #
coming soon--97 cc lb 4x4
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post #4 of 6 (permalink) Old 05-23-2009, 06:43 PM Thread Starter
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Re: fuel pressure problem 1999 e350 HELP!!

thanks ill try that.

1999.5 F350 XLT EXT CAB AUTO 4X4,K&N W/6037, DPF5,HIGH IDLE,80T,80E,120R,140BOOSTFOOLER,PHANTOM2 GAUGES BOOST,TRANS, EGT,CUSTOM 4R100 W/ JWVB,BILLET HARD PARTS,427LINE,RACERX PARTS,BD PAN,6.0 COOLER,DETROIT TRU TRAC,3.73,VAN TURBO W/ATS&HIFLO OUTLET,4" STRAIT PIPE,AFE INTAKE MAN,140V IDM,325/60/20 NITTOS,2.5"LEVELKIT,OPTIMA'S,PIONEER DVD/NAV
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post #5 of 6 (permalink) Old 06-05-2009, 02:53 PM Thread Starter
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Re: fuel pressure problem 1999 e350 HELP!!

got some new info from customer, he put unleaded gas in the tank and ran vehicle for a short distance. truck shut down, had it towed drained tank and changed filter him self. now truck runs good for 5-7 min then looses power and stalls. im running vehicle off a fabed aux tank now, guna see what happens, if ok problem in tank? my other question is would the gas have done any damage to any other parts of the fuel system? thanks jay

1999.5 F350 XLT EXT CAB AUTO 4X4,K&N W/6037, DPF5,HIGH IDLE,80T,80E,120R,140BOOSTFOOLER,PHANTOM2 GAUGES BOOST,TRANS, EGT,CUSTOM 4R100 W/ JWVB,BILLET HARD PARTS,427LINE,RACERX PARTS,BD PAN,6.0 COOLER,DETROIT TRU TRAC,3.73,VAN TURBO W/ATS&HIFLO OUTLET,4" STRAIT PIPE,AFE INTAKE MAN,140V IDM,325/60/20 NITTOS,2.5"LEVELKIT,OPTIMA'S,PIONEER DVD/NAV
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post #6 of 6 (permalink) Old 06-05-2009, 05:20 PM
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Re: fuel pressure problem 1999 e350 HELP!!

If he ran it too long with gas, I believe that will do considerable damage to the injectors. Maybe Golfer (Swamps) will see this, and tell you for sure.

Anthony

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