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acceleration and weird noise

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Old May 1, 2007 | 02:33 PM
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SFScionGuy's Avatar
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Default acceleration and weird noise

Hello, everyone, question for you guys.

I'm not sure when this started happening, but it's happened for the past 10k miles at least. I'm currently at 46K and when i'm anywhere under 50MPh and am either dead stopped or rolling, i hit the gas and i will hear a weird noise. I

t's almost like air and water being sucked into a tube sound. I really can't describe it... I don't have any internal mods that would cause anything like this. I've maintained my car 100% and use Chevron. I'm wondering if there is something wrong or possible something that will go wrong if I don't look into it or figure it out..

Again, the noise is not really a grinding, its like raspy sounding...

Anyone have any ideas, saving me a trip to the dealer?
Old May 1, 2007 | 10:50 PM
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have you changed you pcv valve?
Old May 1, 2007 | 11:06 PM
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no, i didn't know i had too lolol. I'm just know to do all the basic maintenance, oil, intake, sparks, etc. Is this somethng i gotta replace every so often. I'll look more information up on wikipedia too
Old May 1, 2007 | 11:17 PM
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I'm not really sure but I heard that most N/A cars are not set up with sufficient PCV systems and suppose to change PCV when your engine is almost to 50k miles (correct me if I'm wrong). I'm currently at 46k miles and haven't gotten any noise or anything like that but I'm gonna get an nice after market PCV from rippmods.com. I don't think the after market PCV will change anything which I may be wrong but its better than the stock ones and surely helps alot when going turbo or supercharger. I don't know if this after market PCV will fit for xA or xB...

Read about the after market PCV from rippmods.com

https://www.rippstore.com/ProductDet...oductCode=PCV1
Old May 2, 2007 | 02:20 AM
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awesome, thanks for the info. ill go see about the pcv valves and getting a new one
Old May 2, 2007 | 10:34 PM
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replace pcv valves every 12k miles...

cheap insurance
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