Question about Hyundai Motor 2004 Accent

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Auto repair why my car shakes so much when it idles at 850 rpm?I cleaned the trotle body and put new spark plugs and I also change the rear motor mount,do I have to change the front motor mount too?

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  • Hyundai Master
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Engine mounts control the engine movement but it may be because the idle rpm is too low. Most of these cars idle at 950 -1000 rpms.

Posted on Dec 16, 2014

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Posted on Jan 02, 2017

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maklean
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SOURCE: Rough idle after new plugs and fluctuating RPM's

Check that you have installed correct type of spark plugs and wires are well fitted. SPARK PLUG 3.5 V6 Type Champion RC10PYP4 Plug gap 1.0-1.1 mm (0.039-0.043 in.)

Posted on Jun 03, 2008

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SOURCE: 2002 hyudia elantra 4 door/engine revs up

how to change an automatic transmission filter?

Posted on Jun 27, 2009

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SOURCE: I have a 2000 Hyundai sonata 2.4L 4 cyl.. When I

it sound like a sensor is bad...maybe the mass air flow??? I would send the car to someone that can scan the car on a road test...that would find the bad sensor

Posted on Oct 30, 2009

rtpflh
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SOURCE: I changed spark plugs 04 Hyundai Santa fe

Check vacuum and/or electrical connections at the fuel pressure regulator,usually located on the fuel rail near the line from the gas tank. It sounds like your regulator is being held 'wide open' by too much vacuum or no signal from ECU.

Posted on Nov 19, 2009

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SOURCE: i changed my front 3

The spark plugs should be matched up with the old ones to be sure that are the same as the new spark plugs and that the threads are not too long or too short and if the spark plugs were pre-gapped or if they need to be gapped, and the auto part store should have given you that information along with any spark plug gap because some spark plugs you can not set the gap on or they will be damaged. The spark plug gap should also be printed on the emission label out under the hood. Also, the other three spark plugs and wires should be changed to complete the ignition tune-up.

The spark plug gap should be the same amount between all of the spark plugs, and the farther apart that the gap is between the spark plugs the rougher the engine will run and idle, and the closer that you get to the same spark plug gap between the spark plugs the smoother the engine will run and idle.

It is also very important that the spark plugs be connected to the correct terminals on the coil pack or the engine will have a severe mis-fire and it will set a mis-fire DTC (Data Trouble Code) and cause the check engine light to come on.

Here is a firing order diagram to help assist you and let me know if need help with this diagram or if you require any further assistance.




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