LS1TECH - Camaro and Firebird Forum Discussion

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-   -   What's going wrong in my fuel system? (https://ls1tech.com/forums/fueling-injection/1421174-whats-going-wrong-my-fuel-system.html)

1Psycho May 9, 2011 08:23 PM

What's going wrong in my fuel system?
 
Been kinda putting this off for a little while since it hasn't been a big deal but now I wanna know. In my formula, it takes a few cranks before it fires up, don't have to stop cranking, let it sit for a sec, then try again but I have to keep letting it crank for a few seconds before it will fire up. If I let the fuel pump prime and turn it over just as it stops priming, it fires right up. I've heard this is the fuel pressure regulator but also heard it could be a punctured line or maybe even the ignition cylinder? What do you guys think?

Lonnies Performance May 9, 2011 08:32 PM

Until you measure your fuel pressure you are only guessing.

How much running?
How much cranking?
how fast does it bleed off?

1Psycho May 9, 2011 08:42 PM

Haven't checked the fuel pressure yet..I'll have to do that in the next couple days

1Psycho May 10, 2011 11:32 PM

No one?

Lonnies Performance May 11, 2011 09:35 PM

I tried, but without fuel pressure info, we are all wasting our time.

A good answer requires good info to give an educated response.
I'm not going to give you 50 options so you are wasting time with a bunch of guesses.

NBM-LS1 May 11, 2011 11:49 PM

Like stated above. Get us KOEO and KOER fuel pressures. Also how fast does it bleed off?

1Psycho May 12, 2011 12:57 AM

Alright..I'll get a gauge after this weekend and test it since I'll be a bit busy


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