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Old 01-01-2018, 02:06 PM   #4
bbrriiaann1973
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Join Date: Jun 2015
Location: Phoenix Az
Posts: 211
Re: Problem starting truck after sitting overnight.

It acts like it's not pumping enough fuel at low engine speed, it's a hi performance fuel pump designed to pump max pressure at high rpms. Would going to a normal stock fuel pump fix the problem?

I have installed a helper fuel pump in line of the mechanical fuel pump and it seems to help a little.

Cranking engine 30 times vs say 20 times with the helper fuel pump.
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