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Posted on May 01, 2009
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Fuel problems cant get car to start

We are having fuel problems with our 1986 chevy s-10 blazer. it has spark if i put gas in carb in turns over but no fuel is coming out of the injectors. we replaced fuel pump but are trying to diagnose if it could possibly be the ecm or just a fuse. where is the fuse located for the fuel pump, fuel pump relay or where is the ecm located.

  • weised May 05, 2009

    I cant get fuel to pass through injectors. fuel pumpworks new injectors fuel to throttle body i am stumped...daniel

  • Anonymous May 11, 2010

    HAVE YOU HOOKED UP PRESSURE GAUGE OR LOOSEN LINE TO SEE IF YOU HAVE PRESSURE.

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  • Master 710 Answers
  • Posted on May 01, 2009
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Joined: Apr 21, 2009
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FUSE SHOULD BE UNDER THE DASHBOARD ON THE DRIVERS' SIDE. WHEN YOU CHANGED THE PUMP, YOU NEED TO CHANGE THE FUEL FILTER AS WELL TO MAINTAIN THE WARANTY. I WOULD CHANGE THE FUSE AND FILTER. HOPE THIS HELPS. LET ME KNOW HOW YOUR DOING. BEST OF LUCK

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Check the fuel pump. if it has an electric fuel pump you should hear it when you turn the switch to on. It is a whirring sound. if you can't hear it. the Pump is bad or the shutoff valve turned off the fuel system. Check it to see if the button is up. If it is then the valve clicked off. Press it down. If it is down and there is no fuel the fuel pump is bad.

If it is a mechanical pump, take off the hose to the carb if it does have one. crank the engine . It should pump gas right away.

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I hope you can get some help from this info . good luck
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86 Chevy wont start

check for spark by removing a sparkplug
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