Question about 2002 Nissan Quest

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The engine shakes when stopped. Rough Idle. - 2002 Nissan Quest

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Vacuum Leak
Bad Motor Mount

Posted on Sep 25, 2008

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The car dies at stop and idles rough at low rpm


OBD Tools 365 Days Shop
A rough engine idle can come from a variety of causes. During the winter months, cars may have a harder time starting and will shake when first turned on. This form of rough idle can easily be mistaken for other problems. Engine idle problems can also be attributed to malfunctioning components, such as spark plugs. Holes in the air intake valve can also cause a rough engine idle because of excessive amounts of air being drawn in.
The rough idle of an engine can signify a power loss in the car. This loss of power could lead to other problems, such as excessive gas consumption. This lack of power can also lead to additional wear on other parts of the car. Ignoring problems with the engine of can lead to a massive breakdown that will require you either to make costly repairs or replace the car entirely.

Aug 06, 2014 | Cars & Trucks

1 Answer

2003 ELANTRA ENGINE LIGHT FLASING AND CAR SHAKING


You do have a light flashing, so one would think you
already checked for codes & knew the system with
issues

Need to discuss all that at a repair shop

Mar 19, 2013 | Hyundai Accent 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

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

2 Answers

The car shakes when in idle and when you put it into gear and runs rough. What could be the problem?


do the following, it should make the problem better, but it will not cure it completely.
Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Apr 17, 2009 | 2001 Toyota Corolla

1 Answer

Rough idle - white smelly exhaust


the roughness at idle is the shocks .replace the shocks. i had the same problem

Jan 18, 2009 | 2002 Jeep Grand Cherokee

2 Answers

Runing rough for 1 min. after start cold engine


What car , and year and engine? What color smoke?

Oct 18, 2008 | 1994 Volkswagen Golf

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