Question about 1986 Chevrolet S-10 Blazer

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Need image on the location of an egr valve - 1986 Chevrolet S-10 Blazer

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This could be your first step:
One of the first things that you should do is check to see if the fuel pump is running. You can do this by opening the gas cap and putting your ear close to it and having someone turn the ignition switch on. If you hear a loud hum then it is presumed to be working. If you don't hear the humming sound it doesn't mean the pump isn't working. It could be that there is built-up pressure of fuel in the line and the inline fuel filter is plugged. Turn off the key, remove the fuel filter that is mounted to the frame along the left rear side of frame. Place a metail container under the fuel line when removing it from filter. Turn on the ignition momentarily to confirm the fuel pump does pump fuel in to container. Install new fuel filter, turn on ignition, wait for fuel to come up to engine (4 or 5 seconds)and then crank engine over. If it starts your fuel line was plugged at the filter. If it doesn't start, your injectors could be plugged and fuel will not atomize properly. Have the vehicle towed in to sevice garage and have the entire fuel system tested and the injectors ultrasonically cleaned. You should use a fuel system cleaner like STP or GUMOUT fuel injector and system cleaner that you add to your fuel tank, so you can clean the tank, lines, and injectors as you drive.
That is a start, Good luck!! EJ Kudelka

Posted on Nov 09, 2010

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