2000 7.3L long crank/ hard start - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 08-31-2012, 09:04 PM   #1 (permalink)
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2000 7.3L long crank/ hard start

I need help have a 2000 7.3L. I found fuel in coolant tank. did some research and found out it could be injector cups. found a sweet deal on new cups and o-ring with tools to do the job for under $400. the job went well i think not to hard to do. found 3 of the o-ring shot. on 3 different injector. put truck back together and turn key to let the gp warm up. I SEEN THE FAN MOVE LIKE THE CRANK TURNED but I DIDN'T START THE TRUCK YET. what was that? now i have a long crank . act like its winter. but it 90 outside. the hpop is full see no leaks acts like fuel bleeding off. even if u try to start 30 sec later it still long crank. if u try right after shutting it off and try again starts right back up . any longer then its long cranking . when running runs strong lot better then before the work i did but i dont understand why i have a long crank now. IF ANY ONE CAN HELP IT WOULD BE GREAT
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Old 08-31-2012, 10:16 PM   #2 (permalink)
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How many miles have you put on it since you did the injector work? There's probably still air in the oil rails. What you need to do is take it out and run the snot out of it for 40-50 miles. That should cure it.
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Old 08-31-2012, 10:40 PM   #3 (permalink)
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Have not drove yet. still doing coolant flush to get the fuel out of the coolant tank and lines. i will try that. then post back if that help or not.
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Old 08-31-2012, 11:58 PM   #4 (permalink)
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The crank moving might have been due to the glowplugs lighting up some diesel. It shouldnt have moved a lot though.

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Old 09-02-2012, 03:40 PM   #5 (permalink)
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that did the trick. taking it out and running the snot out of it .the long crank is gone. the job went well . thanks for the info .
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Old 09-02-2012, 08:22 PM   #6 (permalink)
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Glad to help.

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First truck -- 1929 Model A Ford pickup, restored from ground up. Wish I still had it!
99.5 F250 PSD Supercab LB 4x4, ZF-6 w/SB Con OFE, 3.73LS, Boost & pyro gauges, Swamps S175/146 injectors, DP 80 HP Econo PCM (classic version), AIS, coolant filter w/"hokum" bracket, regulated return, heated mirror mod, lighted cupholder, Marinco heater plug-in.

Hard or no-start? Check Here
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