Fuel pressure

Fuel pressure

Postby revfuzz322 [OP] » August 19th 2015, 11:12pm

What is the correct fuel pressure I should have in my 96 astro. 4.3L
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Re: Fuel pressure

Postby RECox286 » August 20th 2015, 3:08am

For a 96, you should get 41 to 47 psi. (according to Haynes)

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Re: Fuel pressure

Postby AstroWill » August 20th 2015, 3:44am

RECox286 wrote:For a 96, you should get 41 to 47 psi. (according to Haynes)

Uncle Bob


I thought it was about 10psi higher, KOEO should be like 50-65psi if I remember correctly.

Of course that is the top of my head, I'm not where I can look it up right now.

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Re: Fuel pressure

Postby smokinjoe » August 21st 2015, 4:27am

For my 95 it was 60-64 with a 3-9lb drop while driving when I recently looked it up.
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Re: Fuel pressure

Postby Leeann_93 » August 21st 2015, 11:14pm

Yup, pretty sure it needs to be over 60psi with no more than 10 lb drop in 10 mins.
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Re: Fuel pressure

Postby RECox286 » August 22nd 2015, 2:12am

I can only cite the Haynes specs for the model year listed.


Quote: 99 and earlier=41 to 47 psi

00 and later=52 to 59 psi



Understandable if this is wrong, Haynes has a reputation for hiccups here and there, and

I only have a FSM for the 93 model year. (My bad)

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