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Engine shaking idle

Why is my car shaking

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Might need a tune up or bad motor mounts.

Posted on Oct 11, 2013

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Posted on Jan 02, 2017

SOURCE: my car shakes at idle

You have to check for codes every time you get any
malfunction lights on your dash


These lights & systems have been there on all cars since 1983 some 30 year & we get a hundred of the same questions every day of the year

CHECK FOR CODES

DIAGNOSE & COMPONENT TEST &
SOLVE CODE RELATED ISSUES FIRST

Then repair non code related problems

Posted on Aug 04, 2012

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1 Answer

Engine shaking at idle


A shake usually means a cylinder miss.
Is the check engine light on ?

Jul 22, 2013 | GMC Sierra Cars & Trucks

1 Answer

Car shakes when idling'


Well this could be caused by a number of things. But the most common cause is an "engine miss." You could have 1 cylinder that has stopped firing. This will cause a very rough idle and very possibly shake or shudder whenever you accelerate. Another cause may be a main "vacuum hose could be disconnected" from it's port. Vacuum leaks cause engine shake at idle. Check for loose, cracked, or disconnected vacuum hoses under the hood. The third and least likely cause is a "broken or worn motor mount". If the engine is not securely held down in place by all the motor mounts, it will vibrate excessively and cause a shake at idle. The engine miss and motor mount problems are 2 issues best left to a professional to tackle. But as I said, you could tackle the vacuum leak issue yourself by checking under the hood. Hope this helps, good luck!

Sep 30, 2011 | 2000 Chevrolet Cavalier

1 Answer

After the engine start running for sometime it starts shaking.


hi this could be a few things, i would check your idle as a very low idle will cause engine shaking when the engine is near stalling, idle should be around 700rpm approx when warm. If that checks out all good check the leads and that one is not getting worn and causing a misfire or a vaccum hose is not off, both will cause similar problem. The last thing i can think of is a broken engine mount causing problem as when motor idles or runs at a certain rpm it will shake harder and may be the cause aswell

Jun 08, 2011 | 2001 Subaru Legacy

1 Answer

Engine shakes on idle and in drive gear. Some say


Check engine and transmission mounts.

Jul 27, 2010 | 1996 Dodge Stratus

3 Answers

Would an idle control valve cause a car not to accelerate?


no, idle air control valve is literally to control your idle speed.
what happen when you press on gas? car shakes, RPM goes up, or engine just bogs down?

Mar 09, 2010 | 2004 Infiniti I35

3 Answers

I have a 1994 with vortec 4.3 that shakes sometimes


Shakes how? While stopping? Or solely while idle, Engine light on?

If if shakes while stopping you need to check you're wheel hubs and or Suspension ,

Shakes at a light, You may have a bad fuel Injector, Check you're psi in you're fuel pump, A TPS would cause low idle or sometimes high idle, With low idle and a bad motor mount it would shake,

I know theres a few things I'm missing but,.. I have a major Headache atm so I'll get back to you with some more, when i can think better. :)

Sep 08, 2009 | 1994 Chevrolet S-10 Blazer

1 Answer

Rough idleing shaking within engine engine light on


could be automatic choke killing revs > could be one bad plug mis fireing on idle. car tune up required. hope this helps?

Aug 27, 2009 | 2001 Lincoln LS

1 Answer

1999 nissan frontier is idling rough the truck shakes but shaking stops when the air is turned on. changed oil, spark plugs, spark plug wires and distributor cap.


This can be your Idle control valve, when you turn the air on it puts the engine under load and your computer will increase the idle automatically to prevent the engine from cutting out.
When you are standing still and the car is shaking, by touching the accelerator very softly does the shaking stop? If so check the idle control valve.
I hope this will help.
Regards
Sam

May 13, 2009 | 1999 Nissan Frontier

1 Answer

2002 explorer idle shake & no rev


bad intake not enough air to the cylinders, spark plugs could be a prob, or ur car is running to lean...i hate a similar prob with it shakeing when idleing but i just tap the gas and it stops

Jan 10, 2009 | 2002 Ford Explorer

1 Answer

Engine idling varies depending on light or aircon is on/off


dude its normal for first start or cold start that the idle is ok but it must high than normal... its normal because the engine is warming up it self... when it gets warm, the idle speed will return normal idle... your engine is 1200cc, it has not much HP for a great load... and i know its a carburatored engine and its an old engine, your head lyt and a/c fan and aux fan and all the electrical system on your car, uses the HP of you engine and its a lot of load to the alternator driven by the engine to generate an electricity they need and thats why the engine rpm speed lowering down to dead and its shake. thats why when you use your lyts or all electrical, you engine is weakening... the best remede is adjusting you idle speed... its located behind the carburator.. its a small black knob.. just make a twist each eighter way and you'll find out if your idle rpm speed ts incresing or decresing.. just increase it and try opening your lyts and other electrical, if its still shaking then adjust it a little more

Aug 26, 2008 | 1994 Honda Civic

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