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97 7.3 won't start

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Old Jun 2, 2015 | 07:25 PM
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97 7.3 won't start
just bought a 97 f350 7.3. drove it home washed it. drove down the road and back. Next day wont start. New batteries, starter, cam sensor, mechanical fuel pump, 3/4 tank of diesel, repaired wires to ipr, glow plugs cycle, black smoke out exhaust when cranking. any ideas? no codes
 
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Old Jun 2, 2015 | 07:30 PM
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does your glowplug light stay on? sounds like you might have a pcm problem.
 
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Old Jun 2, 2015 | 07:37 PM
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light stays on for 3-4 sec
 
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Old Jun 2, 2015 | 08:34 PM
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Does you alt gauge stay way down for two minutes indicating the glow plugs are working and drawing juice?
 
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Old Jun 2, 2015 | 08:37 PM
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It stays between 8-9 while cranking
 
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Old Jun 2, 2015 | 08:39 PM
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You may have to low of voltage to start. The motor needs 10 volts. Put a trickle charger on it for the night.
 
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Old Jun 2, 2015 | 08:43 PM
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My battery load tester shows 10 v while cranking. I put the newer starter on that turns eng faster.
 
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Old Jun 2, 2015 | 08:53 PM
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10v is to low. PCM requires a min of 10.5
A good starting system should hold 11.5-12v
 
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Old Jun 2, 2015 | 09:02 PM
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I'll check it again tomorrow
 
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Old Jun 2, 2015 | 09:39 PM
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For a 7.3 to start you need a min of 500psi HPO, 100 rpm, 10.5v and 20psi of fuel
 
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Old Jun 2, 2015 | 09:44 PM
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Got 20 psi fuel. 200-300rpm s
 
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Old Jun 3, 2015 | 11:54 AM
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Sounds like you need batteries to me.
 
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Old Jun 3, 2015 | 05:02 PM
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Originally Posted by gwheel12
Got 20 psi fuel. 200-300rpm s
20 psi fuel, 11.5 v, 200-300rpms, 3000 hpop. where to next?
 
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Old Jun 3, 2015 | 05:21 PM
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Where did you get the cam sensor from.
 
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Old Jun 3, 2015 | 06:59 PM
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Gray sensor from auto zone.
 
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