Question about 2000 Pontiac Grand Prix

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When I am driving it sounds as though my muffler is in my motor and feels as I am pulling a motor home

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Do you have a check engine light? If you do, I would bet that you have a clogged cat converter. One way to be sure is to unhook cat and drive the car to see if the power improves. will be loud, but you will know if that is the issue or not. the shop will charge you at least an hour Diagnostics time to do the same thing.

Posted on Jul 21, 2010

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Posted on Jan 02, 2017

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My car finds every gear comfortably but when I slide it in Park, it slides without a problem but the car literally feels like its in neutral. It can roll for ever if I let it. I do detect a slight sou


I'm guessing you have a problem with your neutral safety switch. Not sure what kind of car you have, but there are lots of videos on youtube that can help you with this issue.

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That is a common problem when the BAFFLES in the muffler let go. They start "baffling" around inside the muffler. ck that first.

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The only way to determine what it is would be to remove the sump from the motor, Either way you need another motor as the cost to repair will be greater than the cost to replace.

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Run a vacuum test. Start motor and try to rev a little. If the vacuum drops it could be a plugged cat or muffler, some type of exhaust restriction. Vacuum should pull steady at 15 to17 inches at idle. This is just one possibility.

Jun 01, 2010 | 2001 Chevrolet Tracker

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Engine shakes alot and muffler sounds rough and shakes alot


i would have it looked at. sounds like a blown head gasket. if so be careful when you start it. bump it a couple of times and see if it feels like it doesnt want to turn over. if you try to start it and the gaskets have leaked onto the piston it can blow the motor up.

Jan 13, 2010 | 1996 Chevrolet Cavalier

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Very loud sound when driving as though muffler not functioning. Drivability okay otherwise. Service Dept can"t see me for a few more weeks and not sure if it's safe?


You should be okay for short trips . I think the muffler went out has a hole or leak.
The noise is going to get louder and louder if it is the muffler.

Jul 19, 2009 | 2005 Mini Cooper

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Hello I just replace my motor mounts had to pull muffler from motor put back and it sounds loud so i took it off went to auto zone and the clerk said i needed the donut so after i drilled out the busted...


sounds like the manifold gasket is bad, or the exhaust pipe coming from the manifold head was not properly seated. Got back to auto zone and get a repair/maintence manual for your car , and it should help you get the manifold head gasket/muffler assembly back together.

Jul 12, 2009 | Cadillac Eldorado Cars & Trucks

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Sounds loud


i bought a 2000 hyundai accent si and everyone thought i had dual exhaust. its regular though. its not that it sounds bad, i like it imo.

Oct 24, 2008 | 2001 Hyundai Accent

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