98 z71 intermittent no start

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lit549

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Feb 3, 2017
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whitney tx
I found a crack on the bottom of the housing ,i know i didnt do it on the install so i mustve missed it on the install..I wonder if this has any affect on the pressure??Hmmm,sending it back to rock auto..

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lit549

Newbie
Joined
Feb 3, 2017
Messages
19
Reaction score
0
Location
whitney tx
update**
Installed the new pump,i also checked voltage at pump and with key on it was only 5v..I need to check it right when i turn the key on,maybe (im hoping) it supplies 12v for 2 seconds???Also ,new pump is exactly same pressure idling,52psi,raises to 58psi when revved..I thought these were supposed to have 60- 66psi??Any suggrstions??Truck starts better but it hasnt been super cold yet
 
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