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2002 gmc Sonoma ZR2 4.3 code p0300. Random missfire. So i
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1999 s10: miles later..distributor gear..worn..truck ran fine
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97 chevy s10: vortex..it wont start without putting gas in the intake
i have a 97 chevy s10. with the 4.3 vortex. it won't start without putting gas in the intake. then runs great. fuels pump holds 45 psi what could it be? thanks… read more
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2003 s10: 2wd dtc..idle truck is still running fine..cam sensor
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1998 s10 blazer 4x4: start fine..warm..a while it turns over fine
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2002 Chevy: throttle hard like getting..interstate..pulling trailer
I have 2002 Chevy Silveraudo. 4.3 ltr.I have had a problem with P0300 code coming on for some time. Only when you get on throttle hard like getting on interstate or pulling trailer. Today I had SES li… read more
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2002 chevy: manual trans..the highway in 5th gear..sputter
i have a 2002 chevy silverado, 5 spd manual trans. problem that im having is really only on the highway in 5th gear. after i get up to speed (50-55 and over) the truck losses a lot of power, and seems… read more
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1997 chevy s10 blazer: vortec..replaced the spider injection..wont run
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2000 blazer: cap..rotor..fuel filter..60 psi fuel pressure with key
I have a 2000 blazer 4.3 , misses terrible below 2000 rpm. New cap and rotor , plugs , fuel filter . 60 psi fuel pressure with key on and 55 while running . Can you please give some info on what else … read more
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Ltr..tail pipe, replaced fuel filter and distributor cap and rotor
4.3 ltr zr2 cant get to turn over, smell gas in tail pipe, replaced fuel filter and distributor cap and rotor. any advice would be helpfull.… read more
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

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Don - Mo Lurch

Don - Mo Lurch

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Jerry Newton

Jerry Newton

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ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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