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Username Post: Fuel pressure in HHR
kmdakota1
Poster
Posts 9
04-12-18 01:59 PM - Post#2730804    

Specs are in for psi testing. Here's what i have.

Engine running- 58 psi
Key on and engine off- 52 psi
after 12 min- 48 psi
after 21 min- 40 psi
after 31 min- 32 psi

Do these numbers look normal? The pressure does drop (looks like 8 psi every 10 mins) and i'm guessing eventually to zero but i stopped after 31 mins. I am also noticing gurgling sound in fuel tank after putting this pump in. Does not sound normal. WTH!!!


rockfangd
"6th Year" Gold Supporting Member
Posts 2686
rockfangd
04-14-18 07:09 PM - Post#2730996    

If those are engine off with key on (KOEO)
Then I would say that is good.
As long as it is good while it is running.
It will drop with KOEO as the pump only runs once for a few seconds to prime.
It runs continously while running
Old School GM fan FOREVER

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