2008 Hyundai Elantra engine trouble

2008 HYUNDAI ELANTRA
16,000 MILES
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KWAME TIMPO
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the engine vibrates when i start it in the morning. i have sent the car to different mechanics but they are unable to fully diagnose and solve this problem.
this problem erupted earlier this year, but it was solved temporary and it has erupted for the second time.
it is pretty intense when i use the car for a few rounds or when i am stuck in heavy vehicular traffic.
Jul 26, 2013 at 8:34 AM
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WRENCHTECH
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Are you giving them the car the night before so they can experience the problem or are you bringing it in in the middle of the day when the problem isn't present?
Jul 26, 2013 at 8:59 AM
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KWAME TIMPO
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i have left the car overnight on different occasions but the mechanic is unable to fully identify and resolve the problem.
Jul 29, 2013 at 1:14 AM
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WRENCHTECH
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If they can duplicate the problem, then they should be able to diagnose it. It could be misfiring and that could have a few different causes. It may be ignition, it may be low fuel pressure but these things would have to be determined during the failure.
Jul 29, 2013 at 2:43 AM
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KWAME TIMPO
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can you tell me what your best bet on this issue might be.
Jul 30, 2013 at 11:34 AM
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KWAME TIMPO
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i also noticed that the problem is intense particularly when the AC is turned on and when the car is in idle position with the gear in drive.
Jul 30, 2013 at 11:43 AM
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WRENCHTECH
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With that amount of information, I have no idea. It can be dozens of things.
Jul 30, 2013 at 11:49 AM
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MADMIKE1735
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could be as simple as a misaligned engine mount, or more involved such as a balance shaft being off time... did this problem occur after a repair, or just showed up on its own?
Sep 14, 2013 at 10:16 PM