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Old 10-03-2013, 04:33 PM   #6
j cAT
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Re: 97 305 vortec starting issues

Quote:
Originally Posted by chuck60 View Post
Hi
Had some time to look at it and ran fuel pressures.
Key on cycle pump 58psi. Cranking drops in 1 sec to about 40psi.
Running 58 to 59 psi. Punch it while running 67 to 69. Do not have gauge
setup to road test. Relay? Ignition switch? Fuel pump? 10.5 volts at bat
when cranking. Is there place to check volts at fuel pump without tapping?

with the ignition on engine off if the battery volts are 10.5 vdc then you had a dead battery cell. low volts to the pump will effect pressures.
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