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Engine Won't Fire some times

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Old Jan 3, 2007 | 03:54 PM
  #1  
murraycookies's Avatar
murraycookies
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From: dahlonega Ga.
Engine Won't Fire some times

F250 2002 Superduty Crewcab Diesel 7.4 Auto 96k

TRuck will not start some times.When I go to crank it ,turnover good but will not fire off to crank I hear a clicking noise behind the dash board when this is happening. Took it to a dealer and was told nothing was wrong with it. The truck wood not repeat the problem for them.They ran diag. test and it showed no problem.
 
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Old Jan 3, 2007 | 04:38 PM
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ryaneverk2
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Thread moved to 7.3L PSD section.
 
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Old Jan 3, 2007 | 04:53 PM
  #3  
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GREGROB
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Weak batteries and/or weak alternator.

Next time it happens, charge the batteries and try it. You need to have the alternator and batteries load tested.

The alternator should put out 100+ amps, and 14+ volts at 2000 rpms.
 
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Old Jan 3, 2007 | 05:43 PM
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Uzumati
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From: Central, Al
To add to GREGROB check the voltage at the battery while cranking it should remain above 10.5vdc if they are good.
 
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