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#1
01-29-2004, 06:20 AM
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blazer won't start
My 2000 Blazer dosen't start in cold temps. It does start in warmer temps ...like above 33 or so. It acts like its not getting any fuel...it does crank and I can hear the fuel pump working...my brother (my mechanic) has tried many different things, replacing sensors..modules, etc. but still no luck!
Has anybody else had this problem? 
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#2
01-29-2004, 07:33 AM
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Re: blazer won't start
Is your brother a professional technician or just the guy who can work on your vehicle?
First check the spark and fuel pressure. Coolant sensor reading incorrectly can give the PCM false information causing the PCM not to command the proper fuel delivery. Also on that model, sticking poppets can cause a cold start proplem.. Read this thread to find out more http://www.automotiveforums.com/vbul...d.php?t=182246
__________________
Why do you never have enough time or money to do the job right the first time, but enough time and money to do it again? Got all the certifications 25 years ASE Certified Master Technician GM WCT Yea..I work at a DEALERSHIP....got a problem with that? Want to diagnose cars like the Pros? FOR SALE: OTC Perception 2 channel Labscope (badged as a Matco Reality) This is my personal labscope that I use to diagnose waveforms, like new, comes with leads and training video PM Me for details
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#3
01-29-2004, 09:09 AM
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Re: blazer won't start
I see your name on alot of these responses....you MUST know your stuff! thanks so much for taking time to answer these questions....... I'm forwarding these posts to my brother. Yes he is a professional tech has been working on vehicles for 20 years or so. He used to work for Caddillac then started his own business....
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#4
01-29-2004, 10:49 AM
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Re: Re: blazer won't start
Quote:
The injector poppet problem is often misdiagnosed..but can cause the concern you are having...
__________________
Why do you never have enough time or money to do the job right the first time, but enough time and money to do it again? Got all the certifications 25 years ASE Certified Master Technician GM WCT Yea..I work at a DEALERSHIP....got a problem with that? Want to diagnose cars like the Pros? FOR SALE: OTC Perception 2 channel Labscope (badged as a Matco Reality) This is my personal labscope that I use to diagnose waveforms, like new, comes with leads and training video PM Me for details
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#5
02-02-2004, 08:51 AM
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JJBRD,
Did you find your problem? I have a 97 with the same problem, could you please e-mail me the fix if you have it to [email protected] Thank you.
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