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Old 06-09-2020, 02:44 PM   #5
Ziegelsteinfaust
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Join Date: Dec 2012
Location: Temple City
Posts: 3,565
Re: 78 Suburban surging then dies on long grade

Mechanical pumps are cheap so I would be inclined to just do it.

Make sure your fuel line is clean. I have had fuel lines that were partially clogged. Also the fuel sock could be deteriorated, and restrict fuel thus causing hesitation up long hills.

If you have 10 foot of fuel line you can bypass the whole steel line to see if that helps.
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