Bosch 044 fuel pump
04-13-2009, 07:28 PM
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Bosch 044 fuel pump Do the Bosch 044 fuel pumps have a internal check valve? I just installed one in the fuel tank of my truck. Runs just fine, but will not hold prime. Extended crank time for just a few seconds. Has anyone installed a external check valve? Thanks
11-01-2009, 05:45 PM
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11-02-2009, 08:57 AM
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TECH Regular
No. The check valve came with the pump I bought though. It is external.
