Pre-1997 Models

Hair removal truck

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Old 09-12-2011, 01:32 PM
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Hair removal truck

I am really stuck. truck will not start. have fuel ( 40psi) have injector pulse, have spark (and is in time) have compression(checked with a stem type gauge-blew it out of my hand), but i have no vacumn while cranking. am thinking head or cam issue( cam is not broken-it does spin). Please help.
 
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Old 09-12-2011, 01:47 PM
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Does it turn over?

Originally Posted by Wrench1470
I am really stuck. truck will not start. have fuel ( 40psi) have injector pulse, have spark (and is in time) have compression(checked with a stem type gauge-blew it out of my hand), but i have no vacumn while cranking. am thinking head or cam issue( cam is not broken-it does spin). Please help.
Which motor and what year are you trouble shooting?
 
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Old 09-12-2011, 01:51 PM
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turns over fine, 1992 with a 4.9 automatic
 
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Old 09-12-2011, 03:17 PM
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Might have better luck in a section devoted to engines instead of one devoted to intakes/exhausts.
 
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Old 09-12-2011, 03:38 PM
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Do you have compression on all 6 cylinders?
Do you have any diagnostic trouble codes?
Is your throttle body functioning properly?
 



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