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1994.5 - 1997 7.3L Power Stroke Diesel  

Fast Crank But Slow Start

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Old Aug 28, 2010 | 06:43 PM
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Fast Crank But Slow Start

What are some things that would cause long crank times before it will fire up?
 
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Old Aug 28, 2010 | 07:19 PM
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HPOP leaking down, bad CPS
 
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Old Aug 28, 2010 | 07:32 PM
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a few bad glowplugs?
 
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Old Aug 28, 2010 | 09:21 PM
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Originally Posted by fordpride
HPOP leaking down, bad CPS
What would cause the HPOP to leak down?
 
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Old Aug 28, 2010 | 09:59 PM
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on the 94.5 to i think late 95 then it could be the anti drain back vavle
 
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Old Aug 28, 2010 | 10:04 PM
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Untitled Document check out this link

 
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Old Aug 28, 2010 | 10:25 PM
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Thanks........................
 
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Old Aug 29, 2010 | 05:43 PM
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LPOP Cracked pickup tube-to test --- jack up rear end of the truck to cover the crack with oil and try to crank it.
Open clearances on the fuel pump or the hpop
Low oil level
ICP going out or oil on pins
IPR Dirty or stuck or tin nut loose
Bad wires at ICP or IPR
Several injectors not firing
Dirty screen in fuel bowl
Dirty fuel filter
fouled out FPR
EGBP valve stuck closed
MAP sensor out
Barometer sending bad reading
UVCWH shorting to ground common or motor
Oil filter bypass check missing or stuck open
 
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Old Aug 29, 2010 | 07:22 PM
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Originally Posted by DRRXR
Others
LPOP Cracked pickup tube-to test --- jack up rear end of the truck to cover the crack with oil and try to crank it.
Open clearances on the fuel pump or the hpop
Low oil level
ICP going out or oil on pins
IPR Dirty or stuck or tin nut loose
Bad wires at ICP or IPR
Several injectors not firing
Dirty screen in fuel bowl
Dirty fuel filter
fouled out FPR
EGBP valve stuck closed
MAP sensor out
Barometer sending bad reading
UVCWH shorting to ground common or motor
Oil filter bypass check missing or stuck open
Wow! That should keep me busy a while.

Thanks for the help.
 
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