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Old 11-06-2012, 04:59 AM
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crank over but no start

have a 2000 7.3. I can crank all day and she won't fire but I hook her up and pullstart and ban she fires up instantly also I replaced starter bout 100 miles ago worked fine but now I'm baffled did I mess something up on starter idk HELP
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Old 11-15-2012, 08:12 AM
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That doesn't make sense, maybe the starter is not turning the engine over fast enough? I have never heard of an issue like this one before. Maybe someone with more knowledge will chime in.

How does it sound when it's cranking? normal, spinning the engine at normal speed?

Not sure if the 7.3 injection is similar to the 6.0's, but if so maybe a High pressure oil leak, and when using the starter to crank it over, it's leaking the oil as fast at the starter is turning the pump, but when you pull start it, it spins the engine and pump fast enough to build the necessary pressure before it can leak it off? Just a guess.
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Old 11-20-2012, 09:57 PM
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Might be helpful might not check fuses i had the same issue and it ended up being a stupid fuse.. try jumping the starter (good old insulated screwdriver across the 2 lead) might narrow down if its starter or something else.
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Old 11-21-2012, 04:47 AM
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Got it fixed now bought a new battery with more cranking amps and fired right up all of you that helped me totally rock thank you
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Old 12-10-2012, 08:38 PM
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Glad to hear all is well. Keep her plugged in whenever you can. 7.3 is cold blooded. Not sure where your located but im in Ohio.
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Old 12-11-2012, 12:00 AM
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Yes she is I'm in peoria bout 2 1/2 hours south of Chicago
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