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95 CHEVY S10 VACUUM LEAK

  • gilbert
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8 years 1 month ago - 8 years 1 month ago #22395 by gilbert
95 CHEVY S10 VACUUM LEAK was created by gilbert
God bless you my brothers and sisters.
I got this s10 with a vacuum leak it turned out too be the brake booster. I put one from the junk yard and took care of the leak . Now I get loss of power black soot on spark plugs. I did find that a injector is leaking by the way it's TBI the question is if the injector is leaking and it has a vacuum leak will it run fine? Then I fix the leak andthen I get loss of power and back firing.
Thank you for your help.
Last edit: 8 years 1 month ago by gilbert.

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8 years 1 month ago #22406 by Ben
Replied by Ben on topic Re:95 CHEVY S10 VACUUM LEAK
What load is your misfire/backfire? Does it do it at idle and acceleration? These plastic lines to the injectors are prone to wearing on the aluminum intake and leaking inside the intake inspect all of your injector hoses while you have it apart

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8 years 1 month ago #22414 by gilbert
Replied by gilbert on topic Re:95 CHEVY S10 VACUUM LEAK
God bless you my brothers and sisters.
Hey Ben it's at acceleration and it's not all the time. I already fixed the leak on the injectors. It runs better but it still has a backfire at hard acceleration not all the time.
Thank you for your help.

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8 years 1 month ago #22425 by Ben
Replied by Ben on topic Re:95 CHEVY S10 VACUUM LEAK
Check your fuel pressure make sure it goes up on a wide open throttle snap pop off injectors are very picky on having enough fuel pressure

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