Question about 1991 Chevrolet S-10

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Chevy s10 fuse box diagram

Will not start on its own.starts pouring gas in injector,wont keep running

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  • Contributor
  • 27 Answers

Its fuel pump,or/and relay bad

Posted on Nov 21, 2014

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Posted on Jan 02, 2017

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SOURCE: 1986 Chevy s10 won't start

small gas engines 101. gas+air+compression+spark=vrrrrrrroooooommmm
i doubt its a fuse. make sure all cylinder have good spark. try and run some seafoam through the gas tank and i would look at the timing - im not sure how you know the timing didnt skip but that sounds like your problem.

Posted on Mar 31, 2009

ourhowse
  • 2007 Answers

SOURCE: car wont stay started

Mass air flow sensor.

Posted on May 04, 2009

  • 10 Answers

SOURCE: Help w 1994 chevrolet truck

disconnect the batt. is your fuel pump running check fuse listen for it

Posted on May 28, 2009

pippall
  • 1486 Answers

SOURCE: 1987 chevy S10 engine idle problem

relace the throtle air idle valve.The temp switch will allso cause this problem.

Posted on Jul 19, 2009

  • 495 Answers

SOURCE: need the fuse diagran fo chevy blazer s10 4wd 1991

go to autozone.com, enter your vehicle specs, and follow the prompts for the repair section, then to electrical diagrams..........and its FREE!

Posted on Jul 27, 2009

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1 Answer

No fuel spray from injectos


1986 chevy s10 2.5l no gas coming from injector. - S-10 Forum

www.s10forum.com/.../1986-chevy-s10-2-5l-no-gas-coming-from-inject...
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I have a 1989 box chevy the injectors wont come on


Thats an electrical issue, check the fuse panel, a relay? Your going to have too track it down but definately electrical

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Chevy s10 fuse box diagram


need to chack fuel regulater

Mar 26, 2014 | 1991 Chevrolet S-10

1 Answer

Chevy s10 fuse box diagram


Then you have a fuel delivery issue...Verify fuel pump operation

Mar 26, 2014 | 1991 Chevrolet S-10

1 Answer

Now it starts but wont stay running unless i pour gas down the intake. if i do that, it will run as long as i am pouring gas down intake, as soon as i stop it stops running. getting fuel up to throttl


Year make and model ? The injectors will open with zero pressure.
They use a magnetic valve. You should have voltage on one side and ground on the other when they are working.

Jan 15, 2014 | Cars & Trucks

1 Answer

1985 grand Marquis acts like not getting fuel to start but if I pour gas directly into throttle body starts right up and runs what could be problem


Runs on the gas you pour in, or keeps running until you turn the key off ???
If the fuel pump relay fails, you would have to crank the engine until you get oil pressure to provide power to the fuel pump.
Do the injectors spray when you are cranking it ? Have you checked fuel pressure when the key is turned to start ?

Jul 11, 2012 | Cars & Trucks

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1989 Chevy S10 Blazer won't start unless I pour fuel in the TBI.


Fuel pressure regulator. It regulates the fuel pressure you receive going to the injectors. All the injectors would not be bad, so you have to take a step back to the next component, which should be the regulator.

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