chev. malibu 2000

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Myron & Geri Greben - 14 Jul 2006 19:58 GMT

i am an owner of a 2000 chev malibu that cuts out to a crawl after
driving for a period of 30 to 45 min highway. the vehicle comes to a
crawl as it loses power. then power returns after starting in neutral.
rides fine on streets. service department at maroone pines here in
florida had vehicle for a week to try and determine problem and was
unsuccessful in there determination of problem. they said it might be a
thermostat problem. it was replaced by them and issue was not resolved.
any suggestions or ideas of what it might be please respond .thank you ,
c.j

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Shep - 15 Jul 2006 00:24 GMT

Fuel pressure tested?, is the trans staying in a lower gear,? check engine
lite on?, di?d it do it for them?, how could a thermostat cause this?, not
enough info for any real help here, too vague.

>i am an owner of a 2000 chev malibu that cuts out to a crawl after
> driving for a period of 30 to 45 min highway. the vehicle comes to a
[quoted text clipped - 5 lines]
> any suggestions or ideas of what it might be please respond .thank you ,
> c.j

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sdlomi2 - 16 Jul 2006 02:45 GMT

> Fuel pressure tested?, is the trans staying in a lower gear,? check engine
> lite on?, di?d it do it for them?, how could a thermostat cause this?, not
> enough info for any real help here, too vague.

I agree with Shep. With info.so vague, I'd think a new battery would
be as logical a guess as a new thermostat! Look seriously into Shep's hint
re: fuel pressure--would be nice to leave a f-p gauge attached to check for
correct pressure when first starting and then look at it quickly when it
starts losing power WITHOUT shutting engine down. If pressure has dropped
significantly at the malfunction time, look for faulty pressure-regulator or
an intermittently clogging filter, as trash moves to block flow & then falls
away when shutting eng. off & re-starting. Most difficult/expensive to
replace would be an intermittently-failing fuel pump, as it would likely
require fuel-tank removal plus high cost of pump. Good luck, s

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