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2000 Chevy Express won't start when it's cold?!?!?!?

01/01/2009 9:05 PM

My 2000 Express utility van won't start when it's cold. I give it a shot of carburator cleaner and it starts and stays running. I stop to get gas and have to do it again. It will run fine while I'm driving it. What is the problem?????
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Bricktop
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United States - Member - Charter Member Engineering Fields - Instrumentation Engineering - Charter Member

Join Date: Mar 2008
Location: The People's Republic of Massachusetts
Posts: 1946
Good Answers: 73
#1

Re: 2000 Chevy Express won't start when it's cold?!?!?!?

01/03/2009 3:23 PM

Need more info. How many miles on it? Does it crank at normal speed? Carburetor or injection?

I once had a similar problem with a 78 Chevy with 150K miles on it. Turned out to be a sloppy stretched out timing chain.

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mr.wrenches
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Join Date: Oct 2008
Location: pearl river ny
Posts: 46
Good Answers: 1
#2

Re: 2000 Chevy Express won't start when it's cold?!?!?!?

01/03/2009 3:26 PM

what engine size 4.3 5.0 or 5.7 how many miles and is the check engine light on

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Fuse31337
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Join Date: Jan 2009
Location: Oklahoma
Posts: 3
#3

Re: 2000 Chevy Express won't start when it's cold?!?!?!?

01/04/2009 2:04 PM

try cleaning/flushing the injectors. A clogged cold-start injector can be an issue. Bad fuel can be another, try upgrading the fuel octane and go from there. Had a tune-up done? The gap in the spark plugs make a huge difference on the coil pack ignition systems because the voltage is generally regulated low to save on costs. Does it crank and not turn over or does it just click?

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