IDLE Vibration Mazda 3
- Thread starter Ndx
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Ive heard that the map sensor can do that other that I can't think of any thing else
Good luck
Good luck
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What's the idle doing during this time? Is it fluctuating? Are the windshield wipers on, or maybe the AC? Maybe turning the steering wheel? It's possible a variable engine or electrical load (I think this car has an electrically powered PS pump, right?) is causing the idle to drop momentarily, which will roughen it up depending on how low it goes.
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Did you replace the engine mount with an OEM mount or did you replace it with a poly bushing? If you replaced a rubber bushing with a poly bushing, the poly bushing could simply be transmitting more vibration into the passenger cabin....although I wouldn't expect that to necessarily die out as you've described.
Just a thought.
Jeff
Just a thought.
Jeff
Bad batch of gas maybe?
All four cylinder cars vibrate at idle.
It could be due to the position of the new mount. The rear mount has a lot of play built in to reduce vibration (and cause ridiculous amounts of wheel hop). If the new front passenger side engine mount - I'll assume that's the one replaced since every Mazda3 owner has to replace it at least once every 4 years with OEM mounts - is installed in a position that puts the tranny mount at or near its limits of movement, it may cause vibration.
look for a vacuum line that might have been accidentally knocked off or broken
lol whyd you change your starter ?
could be another engine mount getting hard, esp in the cold
could be another engine mount getting hard, esp in the cold
Maybe a good highway run to clean things up?
When it vibrates, is is when in an intermediate stage, or fully warmed up? Things have to stabilize before your best idle is obtained.
It could be the A/C compressor kicking in. If you have the vents set at defrost or floor, the A/C turns on automatically unless the temps are well below freezing.
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