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Old February 3rd 05, 10:01 PM
Don Baker
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There is a "sock" type filter for the big chunks at the fuel pickup in the
tank. If these plug / clog or collapse they can cause similar problems.

Good luck,
Don

> wrote in message
oups.com...
> Can someone please help me figure this out? I am really stuck.
>
> I have a 1995 CHEVROLET TRUCK ASTRO VAN 2WD
> 6 Cylinders 262 W 4.3L CPI. 105,000 miles
>
>
>
> Symptoms:
> The van is cutting out like it is running out of fuel while driving.
>
> I let the van warm up first before a test drive. It drives okay (not
> great) at first, then it starts acting like it is running out of gas.
> It bogs down and stalls when I accelerate. I tried flooring it and it
> wants to die. This problem is progressive meaning it is getting worse;
> now it happens after just a couple miles of driving. The problem will
> go away (van drives much better) after turning off the van and then
> back on.
>
>
> History:
> Fuel pump quit working over new years. I replaced and it drove fine.
> I drove one 300 mile trip then another 300 miles of city driving with
> no problems.
>
> It got real cold (irrelevant?). I drove for 25 miles with no issues.
> I filled up with gas (irrelevant?) after work and drove 10 miles and it
> started acting up.
>
> The problem got worse over the next couple days (60 miles city
> driving).
>
> I changed the fuel filter which was clogged and appeared to be the
> original filter. It seemed to run fine. I drove several very short
> trips 5 miles which may have been too short to notice symptoms. I
> filled up again, then drove 15 miles.
>
> It acted worse than ever.
>
> I checked the fuel pressure. It was about 62psi with the pump running
> but dropped to 6psi when not running.
>
> I replaced the CPI unit and the nut kit (fuel lines). The fuel
> regulator was leaking. I could see where the gas had cleaned the
> inside of the plenum.
>
> I retested fuel pressure. It was 62psi with the pump running but
> dropped to 22psi with the pump off. My Haynes manual said it should
> only drop 3-10psi with the key off.
>
> I road tested the van and it has the same symptoms.
>
> Shouldn't I be able to see or smell the gas that bleeds off? I
> don't see any gas (I will double check tonight).
>
> Now I do not know what to do. I am stuck. Can anyone offer any
> suggestion?
>



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