SOURCE: 1990 jeep cherokee keeps burning
I had a problem with a 1990 once that was strange like that. Went through 4 pumps before finally figuring out that the baffle inside the tank had come free and was knocking the pump around causing it to short. Inside that metal tank isa baffle set up to reduce the splashing around and movement of the gas at teh pump. If it comes free it will knock up against the pump and short it out. When you pull the pump out use a wire to reach around inside the tank and see if you can find a part moving around freely, if you do the only choice if to replace the tank. There is no way to weld that back or reattach it safely, J-B weld won't work and obviously welding is not an option.
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Ok thanks Jose! And where might this selector valve be located ?? And what's the easiest way to tell if it's NO GOOD ? MY TRUCK STARTS AND RUNS FAIRLY DECENT UNTIL YOU PUSH THE GAS. AND THEN IT SPI F2F S. AND SPUTTERS AND BACKFIRES .....WOULD THAT BE CAUSED BY THE SELE TOR VALVE????
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