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Fuel pump noise. What is Normal? 200 1990

My fuel pump was extremely noisy too, and I thought it was the main pump, but it turns out it's the in-tank pump. When I pull the in-tank pump fuse, it gets very quiet, but still runs.

I've read that this can be bad for the main pump and could promote vapor-lock problems in hot weather, so I just leave the fuse in and turn up the radio.






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