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Idle vibration and only 1800 miles???

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Old 05-09-2005, 08:26 AM
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Idle vibration and only 1800 miles???

I have an '05 6 speed, with only 1800 miles on it, and once my RPM's go below 1000 at idle, I get a vibration, shimmy in the seat and gearstick. I see a previous post where someone said its a crack motor mount, but said that notice was for 18K-25K miles.
Mine is a minor vibration, maybe three vibrations every 15 seconds. The music and A/C must be off to HEAR them , but they can be felt with both on.
I called mazda, described it to service tech and he said "sounds normal for a car like that, do you check your oil after every 3-4 fill ups?" I told him I hadn't been. So I went and had the oil checked and changed. It still vibrates.
HELP!!!???
Old 05-09-2005, 08:37 AM
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Originally Posted by getoutdaway
I have an '05 6 speed, with only 1800 miles on it, and once my RPM's go below 1000 at idle, I get a vibration, shimmy in the seat and gearstick. I see a previous post where someone said its a crack motor mount, but said that notice was for 18K-25K miles.
Mine is a minor vibration, maybe three vibrations every 15 seconds. The music and A/C must be off to HEAR them , but they can be felt with both on.
I called mazda, described it to service tech and he said "sounds normal for a car like that, do you check your oil after every 3-4 fill ups?" I told him I hadn't been. So I went and had the oil checked and changed. It still vibrates.
HELP!!!???
Sounds normal to me. Don't worry about it.
Old 05-09-2005, 08:55 AM
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i got a little over 24k and mine vibrates at idle sometimes. my only problem is that the airbag cover on the steering wheel rattles with it as well as some panel behind me that sounds like something is knocking inside it. i am going to the dealership later today for mine though.

but like Go48 said, i wouldn't worry about unless it gets too bad.
Old 05-09-2005, 09:03 AM
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my main concern to be honest is it stalling out at a red light...when the RPM's get down to like 750, its got that ba....ba....ba (low on gas hummm) if ya know what i mean....
when i stop my rpm stick gradually comes down to 1000 which is fine, then once goes below is where trouble start. WHAT IS PROPER IDLE RPM FOR AN '05 6 SPEED BY THE WAY?? 1000?? 750 SEEMS WHERE PROBLEMS START??
Old 05-09-2005, 09:09 AM
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When you're idling it's normal for your RPMs to alternate between 750-1000.

DON'T WORRY!
Old 05-09-2005, 09:10 AM
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Ahhh...here you go...read this thread:

https://www.rx8club.com/series-i-tech-garage-22/why-does-renesis-lope-idle-28678/
Old 05-10-2005, 12:21 AM
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Gear shift shake is normal. Any low idle below 1000 is subject oscilation
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