Question about 1984 GMC S-15 Jimmy
Jimmy runs fine on level and downhill, but it stalls out as if getting no fuel when I drive a 20 degree grade or higher. I replaced the fuel filter and it got a little better. It had been sitting for a couple of years. I had a different automatic transmission and cat and muffler put on it because they were bad. It was running fine for a little while, this problem only started after it had gone less than 20 miles after I bought it. I put cleaner in the fuel tank, used carb cleaner on the carburetor and removed the air filter, and there is moisture in the tail pipe. The engine knocks a little, but very little smoke and it doesn't overheat. I'm thinking fuel pump, but would like to know what you think as I may be overlooking something.
Remove the carb. and clean the float , and the float bowl . when gas setts to long it gums up that area and doesn't get the right amount of fuel into the bowl , so when you hit a hill its starving for fuel
Posted on Dec 08, 2008
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Posted on Jan 02, 2017
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