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96 Chevy S-10 Blazer 4.3L Vortec
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flip777
New User
Oct 27, 2010, 6:47 AM
Post #1 of 7
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96 Chevy S-10 Blazer 4.3L Vortec
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I drove this Blazer To town the other day and it started acting up.I drove maybe 10 minutes and I was at 60 when it started again. I held the throttle to the floor but it acted likeno power once it dropped down to 40 it surged and than came out of it. The only codes I got was both O2 sensor banks sensors 1 readings. I got about 3 more miles down the road and it did it again. Its almost like it shuts down till it gets to about 40 and than comes out of it.
Flip's Family Shop
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re-tired
Veteran
/ Moderator
Oct 27, 2010, 6:58 AM
Post #2 of 7
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Re: 96 Chevy S-10 Blazer 4.3L Vortec
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I would start by replaceing the fuel filter . If problem continues have fuel pressure checked.
LIFE'S SHORT GO FISH
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 27, 2010, 7:00 AM
Post #3 of 7
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Re: 96 Chevy S-10 Blazer 4.3L Vortec
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It sounds like your fuel pump is letting go. This system is very pressure sensitive and requires a minimum of 55PSI to run. I would rig up a fuel pressure gauge that can be viewed while driving and see what the pressure does during the failure.
Those codes were probably lean codes.
Sorry RT. I was typing while you were posting.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Oct 27, 2010, 7:01 AM)
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flip777
New User
Oct 27, 2010, 7:02 AM
Post #4 of 7
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Re: 96 Chevy S-10 Blazer 4.3L Vortec
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I put a new one in because one of the sending unit lines rusted off and double checked to make sure I had the filter on right. I am getting 58 psi when it acts up. I hooked my modis up and I also have no miss fires
Flip's Family Shop
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 27, 2010, 7:04 AM
Post #5 of 7
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Re: 96 Chevy S-10 Blazer 4.3L Vortec
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What were the code numbers?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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re-tired
Veteran
/ Moderator
Oct 27, 2010, 7:16 AM
Post #6 of 7
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Re: 96 Chevy S-10 Blazer 4.3L Vortec
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Not a problem HT . please fill free to continue on this one . I gotta take care of some personal biz.
LIFE'S SHORT GO FISH
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flip777
New User
Oct 27, 2010, 7:21 AM
Post #7 of 7
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Re: 96 Chevy S-10 Blazer 4.3L Vortec
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I figured it out pals. Its a week ignition module. I replaced it and my wife is driving it now she said she almost made 20 miles and it hasn't acted up yet. I will let you know more when she gets back. Thanks for all your help
Flip's Family Shop
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