'93 saturn SL2 weird grinding sound from center of car?

joshbgosh10592

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ok, i am having a really weird sound that sounds like a metal grinding in my car. it sounds like its coming from around the gas tank. the more weight i have in my car, the more often i hear it. and it seems to be happening when i hit a bump on the passenger rear wheel bounces. my car is also having a hard time starting in the cold, and wont keep running unless i have my foot on the gas in the cold. could all these problems be tied to the fuel pump? maybe when there's more weight, it tries to pull more fuel and can't, and when my rear tired bumps, the fuel pump gets knocked around? and also, my gas guage is whack. it bounces around even when sitting still. could all these be the fuel pump??
 
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