WHEN I FLIP THE TOGGLE SWITCH TO CHANGE TANKS, IT CHOKES THE GAS... THE FIRST TIME IT HAPPENED THIS SUMMER, I THOUGHT IT WAS VAPOR LOCK... THE MECHANIC PUT A NEW FUEL FILTER IN. IT DID NOT FIX PROBLEM. COULD IT BE THE TOGGLE SWITCH ITSELF? AND HOW DO THEY WORK? TOGGLE SWITCH TO SENDING UNIT OR ????? THANKS A LOT....SAMANTHA
The actual switching of tanks is performed by a solenoid operated valve that is controlled by the toggle switch. The valve or it's solenoid could be getting sticky and not switching over quickly. The switch should also change wire connections to the new tank fuel-level sensor. It's possible that the fuel pump is getting tired and has a problem picking up fuel from the new tank. I assume that the vehicle is using the stock engine-mounted fuel pump.
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