Question about 2000 Dodge Neon
My 2000 dodge neon shakes when idling and when i am waiting at a stop light
It's really hard to give a specific cause for something like this with out more information. If for instance it is a miss-firing cylinder, there are several possible causes for it ranging from a bad spark plug, bad 02 sensor or even a burnt valve. However there are a few items you can check and maintenance the can be preformed that may help out. At the very least it will eliminate them as a possible cause.
The most common cause of rough idle is worn out components. These include air cleaner, spark plugs, wires, cap and rotor. These are all items that should be replace at the time of a tune-up. If it hasn't had a tune in a while, that is a good place to start. This will also give you a chance to inspect the spark plugs. The condition and color of the electrode at the bottom end of the plug will give you a good indication as to how well the engine is performing. The first link I provided below will give you a way to compare what your plugs look like and what would cause that condition. Included with the items for a general tune-up, A good fuel injector cleaner should be added to a couple tanks of gas as well as a injector cleaner that runs through the intake manifold.
During the tune-up you should inspect all the vacuum lines and listen for any leaks while the car is running.
Before doing anything that's unnecessary it's a good idea to check the error codes. You do this by turning the ignition key on-off-on-off-on within five seconds. Only turn the key to the on position not the start position. If your odometer is digital the codes will be displayed there. Examples are P0303 and P1283. If your odometer is mechanical the codes will be displayed in a series of flashes, a pause and more flashes from the engine light. To be honest it's much easier to take the car to someplace like Auto Zone where they will read error codes for free then dealing with the flashing pause system. After you have the code (if any), you can check them at the second link I added below. Make sure to check both the Dodge specific codes and the generic codes.
These codes help by giving you specific information on any system that is not functioning properly.
Once you have recovered the engine diagnostic codes if any or you are at all unsure of any part of this solution please re-post.
Hope this helps.
Posted on Sep 24, 2009
The idle speed on the throttle cable needs adjusting.
There is a screw which sets up a stop point on the return of the throttle cable so that the engine idles at a number of revolutions to keep the engine stable
Posted on Sep 24, 2009
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Posted on Jan 02, 2017
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