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Re: fuel pumps running hot
They stop working because the gap (clearance) they had went to zero.
Like a main bearing, if you get the clearance to 0.000 there is no room for oil and it will get hot and seize the bearing on the crankshaft.
The fuel pump runs out of clearance room to pump and it shuts down.
The fuel pump uses gasoline for lube and to cool down the pump, with no lube or cooling, the pump fails.
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