Rough Idles and Dies - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

 
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post #1 of 6 (permalink) Old 01-17-2016, 05:49 PM Thread Starter
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Rough Idles and Dies

I have recently purchased and 1994 f350 crew cab 7.3idi turbo. it has 135,000 miles. At first the truck ran great. All the sudden as i was driving the truck started to die out like it had a miss. When you applied the gas it temporarily solved it but then again the truck would hesitate and feel like it was going to die. Then as i came to a stop the truck dies. I go to crank in back over the truck starts but then idles very rough like it wants to die. I have just changed the fuel filter and i am unfamiliar with these motors. Anyone have any solutions or knowledge to my problem?
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post #2 of 6 (permalink) Old 01-17-2016, 07:11 PM
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Welcome to the Diesel Stop.

How much fuel is in the tank your drawing from. Common issue is the pick up foot breaking off, and it seems to manifest itself at about 1/4 tank.

1994 F-350 7.3 IDI Turbo, crew cab, E4OD,4:10 L/S, LB, Dually
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post #3 of 6 (permalink) Old 01-17-2016, 07:23 PM Thread Starter
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it has over a 3/4 tank.
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post #4 of 6 (permalink) Old 01-17-2016, 09:54 PM
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Okay. When it dies, pull the filter and see how much fuel is in it. Should be full, and if it isn't then we will need to start looking at fuel delivery.

1994 F-350 7.3 IDI Turbo, crew cab, E4OD,4:10 L/S, LB, Dually
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ATS Turbo upgrades: 3" DP with 3" exhaust Magnaflow XL muffler:
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2012 Copper Canyon 273 FWRET w/2 slides, Air Lift 5000 bags
Pillar pod: Autometer C2 Series gauges: pyro,trans, boost, water, oil pressure
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Hypermax Cowl induction, K&N air filter, flex-a-lite 26K trans cooler with fan,Tekonsha prodigy
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post #5 of 6 (permalink) Old 01-23-2016, 11:17 PM
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could be vacuum pump, rent a free vac pump tester for autozone I think it should be 24 ihg

1992 F-300(F-250 with DRW
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) Ext. Cab, LB, Dana 50 4x4, E4OD, 10.25 Sterling All stock work truck. it's ugly but I'm slowly liking it more. Just bought it in Sept.
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post #6 of 6 (permalink) Old 01-23-2016, 11:46 PM
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Quote:
Originally Posted by SGT JUNK View Post
could be vacuum pump, rent a free vac pump tester for autozone I think it should be 24 ihg

Vacuum pump shouldn't have anything to do with fuel delivery, maybe your thinking of a different thread?

1994 F-350 7.3 IDI Turbo, crew cab, E4OD,4:10 L/S, LB, Dually
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ATS Turbo upgrades: 3" DP with 3" exhaust Magnaflow XL muffler:
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2012 Copper Canyon 273 FWRET w/2 slides, Air Lift 5000 bags
Pillar pod: Autometer C2 Series gauges: pyro,trans, boost, water, oil pressure
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Hypermax Cowl induction, K&N air filter, flex-a-lite 26K trans cooler with fan,Tekonsha prodigy
Train Horns:
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