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#1
10-27-2003, 10:16 AM
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Hard Starting 2000 Silverado
Hi - I have a 2000 Silverado 5.3L Z71 SLT. About 6 months ago I had trouble starting the truck after it sat- cranks and would not fire for a minute or so. Turned out to be a fuel pressure regulator. Changed regulator with dealer part. $100.00 for part. Ran fine. Now I am having trouble starting again. This time the trouble is there no matter if it has sat or I just drove it. I checked the line on the pressure regulator and this time there is no fuel coming out (as the bad on did).
Any ideas? Thanks. 
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#2
10-27-2003, 11:27 AM
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Re: Hard Starting 2000 Silverado
Its hard to give you a definate answer without doing some diagnosis, but a couple things you can do to see if it helps.
First, check the throttle body...the throttle bodys on those trucks are know for "coking" (getting really dirty in simple terms) sometimes a good cleaning of the throttle blade and bore with a choke/carb cleaner and a soft toothbrush and then wiping it out with a rag will help. I would also check fuel pressure..might be a little low or bleeding down.
__________________
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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#4
10-30-2003, 09:01 AM
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Re: Hard Starting 2000 Silverado
there is a check valve in the fuel pump..to check, you will need a fuel pressure gauge.
__________________
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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