[Shop-talk] Need help with dead 2000 GMC 1500 (5.8 Vortec) (couple of dusies!)

[Pat Horne]

You should be able to access the fuel pump wires and connect the pump
directly to 12V. If that works it is time to check controllers, etc.

Can you read any codes that might be causing it?

I have a 2002 Silverado 1500 that I believe is basically the same. I will
see what I can find, but I won't have time until this evening.

Peace,
Pat


-----Original Message-----
From: shop-talk-bounces at autox.team.net
[mailto:shop-talk-bounces at autox.team.net] On Behalf Of eric at megageek.com
Sent: Tuesday, April 29, 2014 7:50 AM
To: shop-talk at Autox.Team.Net
Subject: [Shop-talk] Need help with dead 2000 GMC 1500 (5.8 Vortec) (couple
of dusies!)

Last night, my BIL's truck died while he was at my house.

Traced the issue to no fuel flow.  (I even put gas in the tank in case that
was it.)

I put a new fuel filter in.  While I had the old one off, I had him crank
the truck.  I expected to see gas squirting from the line, but nothing.

I think, OK, it's a fuel pump.  BUT and here is the issue.

In many places on the web, they say that the security system can disable the
fuel pump and many times people replace the pump when they don't need to.

I've tried the steps to 'override' the security system, but it doesn't seem
to work.

1- So, is there anything I can try before I drop the tank and $280 for the
new fuel pump?  Any more tests?

2- I may just cut the floor of the bed to make an access panel to the fuel
pump without dropping the tank (lots of rust under there.)  Any problems
with this idea?  (I'll use shears.)

3-Is there anything else I'm missing?

THANKS IN ADVANCE. This truck is stuck in my garage until it's fixed, so the
quicker I can get it running the quicker I can get back to my projects!

Thanks.



Eric P
"Be as beneficent as the sun or the sea, but if your rights as a rational
being are trenched on, die on the first inch of your territory." Ralph Waldo
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