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Ford Powerstroke 94-98 7.3L Discussion of 94-98 7.3 Liter Ford Powerstroke Turbo Diesels

1997 f250 7.3 power stroke cutting out

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Old 01-08-2016, 12:08 AM
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Default 1997 f250 7.3 power stroke cutting out
After truck runs for 30 min. Truck over 2000rpms acts like it cuts out and now and then small back fire not constant just here and there.
New pcm, ICP, fuel filter, and cps .
 
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Old 01-08-2016, 11:38 AM
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Was the PCM Oem or aftermarket?
 
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Old 01-08-2016, 12:00 PM
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Default 1997 f250
Its a aftermarket one . ford told me they dont make them anymore
 
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Old 01-08-2016, 12:22 PM
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Have you replaced injectors or fuel pump in valley of truck? It sounds like its not getting enough fuel from what im understanding of situation
 
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Old 01-08-2016, 12:26 PM
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Default 1997 f250
New fuel pump , about 6 months ago I changed seals on injectors . its starts doing it after it runs about 35 mins . runs smooth at ideal and thru town.
 
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Old 01-08-2016, 02:16 PM
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I feel like might be pre-ignighting like gas cars due, even though there arent spark plugs. Is temp normal? Maybe do a power balance test and or compression test
 
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Old 01-08-2016, 03:08 PM
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Default ford f250
I know it pulling no codes at all. It ran great until replaced fuel pump and heater in bowl
 
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Old 01-08-2016, 03:25 PM
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Default f250
I also noticed that 1st an 2nd gear ( manual) transmission that it is like lack of power but once hits 3rd it takes off
 
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Old 01-08-2016, 07:50 PM
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Something PCM wise is messing up if you cant pull codes. Does it not just connect? Ive heard of the heater in fuel bowl messing trucks up. My gpr messed up my ignition to where it wouldnt shut engine off
 
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Old 01-08-2016, 07:58 PM
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Default ford f250
Is there anyway to test pcm ? This my diesel motor.
 
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