Car runs. Good. Plugs. Wires. OK. But at a idle has a vibration. Increase. RPMs. Smooths out broke motor or tran. Mount. ?
Dec 5, 2012 at 11:54 AM
2004 Hyundai Sonata Car Runs Good Plugs Wires Idle Vibration Increase
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Bad motor mounts if the idling speed is good.
Dec 5, 2012 at 12:36 PM
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