Loud Noises I don't know if there's a leak anywhere, but everytime I step on the gas pedal my car makes loud screechy noises. How can I fix this problem?

vacuum leak

You shouldn't have to pump the gas for a fuel injected vehicle to start. Where is the very loud noise coming from? If it's from the gas tank, then it very well could be the fuel pump beginning to fail. Sometimes you get no warning. You just get stranded. A mechanic would likely check your fuel pressure with a gauge.

Without a general description of what the noice sounds like, squeal as compared to knocking, it is impossible to help you. Engines make a lot of different noises, so try and help by describing noise. I would suspect it is belt related, or tension pulley related as these are RPM variable noises, belts tend to slip when you accelerate and can be quite loud with a serpentine belt as example.
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Listen to the engine, if the noise is down low it is rod if it is up high it is valves. IF it is rod knock it will eventually throw the rod.

Hello, it's probably not safe to drive, noises are never good news, I would suggest that you check the engine oil and if it's low add oil to it and hope it's not too late to prevent engine damage.

Thanks for choosing FixYa and welcome. Make sure you don't have any vacuum leaks on the engine. Check your air filter also. You may have a loose hose causing the noise. This would explain it getting loud after a bump. Check the ait filter housing also. I had one of these cars and I heard the same noise you are. It always happens when your first taking off. It turned out to be a vacuum leak on mine.

it depends on what the noise sounds like if it sounds like a very loud exhaust you may have a cracked manifold

check the level of the power steering fluid,check belt tension & condition

Clean the distributer cap in the inside, it has water in it thus causing all the noises and the back fire.