IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

Little Shake at Idle... what is it?

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Old 01-05-12, 11:23 AM
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evan2k
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Default Little Shake at Idle... what is it?

When my car is at idle at a stop sign or light, i feel a little shake in the engine, its not very major but i feel like a tug when sitting. So i did a full fluid flush out, oil change, changed spark plugs, had my exhaust pipes checked for leaks, checked the air intake box, everything seems to be in order. But it still shakes at idle. Anyone have any idea what could be causing this?
Old 01-05-12, 01:21 PM
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dsouthmia0
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Maybe motor mounts, Their not to hard to change with a hoist. Hows it shifting?
Old 01-05-12, 04:07 PM
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evan2k
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shifting is perfectly fine no problems with gears slipping or anything
Old 01-05-12, 05:21 PM
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dsouthmia0
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Can you tell if its the actual motor having a rough idle? May need a throttle body cleaning or plugs

Try popping the hood and start the car, see if it jumps alot. Rev it a few times, it should be pretty firm. If it moves around more than an inch than mounts is probably what it is.
Old 01-05-12, 06:41 PM
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evan2k
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Originally Posted by dsouthmia0
Can you tell if its the actual motor having a rough idle? May need a throttle body cleaning or plugs

Try popping the hood and start the car, see if it jumps alot. Rev it a few times, it should be pretty firm. If it moves around more than an inch than mounts is probably what it is.
thanks ill take a look at that tomorrow morning
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