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Old 05-01-2008, 06:16 PM
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fuel pressure 5.3 chevy truck

anyone knows the fuel pressure for a 2001 5.3 chevy truck?

Thanks.

Augusto.

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Old 05-01-2008, 08:27 PM
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Key on Engine off should be 55-62 PSI, At idle 52-59 PSI.
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Old 05-01-2008, 08:40 PM
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really that high? I thought it was 43-45, I was going to use a bosch fuel pump, but I think it can not sustain that much pressure.

Augusto.
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Old 05-01-2008, 08:45 PM
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Yes it is that high, and I recommend getting the factory pump. What is your pressure running now? Are you having a starting, or drive-ability problem?

Last edited by carsavvycook; 05-01-2008 at 08:54 PM. Reason: Additions
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Old 05-01-2008, 08:58 PM
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damn, seems like I must go with the original pump, it costs $ 430 here and the bosch pump is only $ 40

unless I can find cheap a bosch pump for the BMW's that had the K-jetronic injection, it worked at 75 psi.

the truck is dead now, no pressure,

thanks for the advice, do you have any suggestions?

Augusto.
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Old 05-01-2008, 09:00 PM
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Have you checked for power at the pump? It could be a blown fuse, or defective fuel pump relay.
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Old 05-01-2008, 09:05 PM
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yes, I took the pump out, it's fried.

Augusto.
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Old 05-01-2008, 09:07 PM
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That's to bad I feel for you.
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Old 05-01-2008, 09:09 PM
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Could you get it cheaper by ordering it on-line?
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Old 05-01-2008, 09:16 PM
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probaby but shipping plus customs duties plus warranty issues.... is not worth,..
chevy dealers here charge a lot but at least they are here to support what they sell.

What do you think of the BMW pump?

Augusto.
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Old 05-01-2008, 09:18 PM
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It could be worth a shot! If it truly is a high pressure pump.
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Old 05-01-2008, 09:22 PM
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gracias amigo!

I'll try to get one and see if it works, if not I'll be $ 430 poorer.

Saludos from the middle of the planet.

Augusto.
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Old 05-01-2008, 09:24 PM
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Your welcome.
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