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Q: What is causing a rattling noise when I press the gas pedal? on 2002 Nissan Maxima

My 2002 nissan maxima will rattle when I press the gas pedal and will stop rattling when I let off the gas pedal. My car does have a timing chain, could that be the problem?
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A very loose timing chain will rattle but what about bad fuel? That will cause a rattling noise too. If you think it could be bad fuel, try using high octane gasoline once and see if that helps. If so, tell your mechanic about it and ask him to check the EGR valve operation. Have him listen to the motor to get his opinion about the timing chain.
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I left my car at the nissan dealer this morning. The mechanic rode with me in the car and he heard the noise and said he has never heard that noise before. So I hope to find out this afternoon what the problem is. Thank you.
Hello, I have a 2001 nissan maxima that has like a rattling, grainy noise when i step on the gas. I just had a new fuel pump put in being told it would fix it however it has not. Did you find out what was wrong with it or any ideas? Thank you
The dealership told me i would need a new engine. I was not going to spend $9000 (qoute from dealer) for a new engine. Eventually found out that it burns oil bad so we keep a check on the oil and we only put high octane in. It is still going and no new engine. It will rattle with low oil.
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