Question about 2004 Mazda 3

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My 2004 mazda 3 rough / hard idles. Up until yesterday when I had the spark plugs changed, when it would be in gear but with my foot on the brake, thats when it would be worst. I could feel it vibrate badly. The steering column, the ashtray, and the panel above the radio display, and the right window glass would all rattle. Now that's stopped. However, I can still feel the rough idle. There was a time, when I couldn't even hear if my car was turned on or not. I'd like to get it back to new. Please help.

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SOUNDS LIKE FAULTY MOTOR MOUNTS...THATS ALLOWING THE HARMONIC VIBRATION TO TRAVEL THROUGH THE VEHICLE VIA METAL TO METAL CONTACT. HOPE THIS HELPS

Posted on Oct 06, 2010

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Posted on Jan 02, 2017

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