because the muffler is broken. It could be many things. Some suggestions would be, a vacuum leak, a tune up, water in the fuel. Need more info to help you more. And beacause I dont Like APple Pie
what does idle funny mean? Does the whole car shake? (upper engine mount collapsed) Or does the engine shake/misfire? (Intake manifold gasket)
Your car may stall or stop running after idle because of a problem with its fuel or electrical system.
It can if it sticks open at idle.
A car may idle up and down due to "Improper fuel mixture". (The fuel in the car may consist of an un-even balance of air or gas). However, there are a few other ways a car can idle up and down.
If your car is making a funny noise it is best to go to a mechanic. Mechanics have taken schooling to know what things sound right and what things do not sound OK.
mine does the same. my problem is the motor mount
If your talking about a lopey idle, like an old muscle car. It is caused by the cam having a large amount of intake/exhaust overlap.
Depends on where the noise is whats making the noise. Can you be more descriptive of where and what?
When the idle goes rough, you must idle the plugs. Else the car plugs roughly.
Rephrase, Idle air control, idle circuit carburetor or
The car was staying idle.
no .... no way.