Idle

Can a bad idle control valve cause a car to run rich?
Can a bad idle air control valve cause a rich condition? An obstructed or stuck-shut IAC will result in a rich air-fuel ratio at idle, so the engine w...
What causes an automatic transmission not to idle?
Can a transmission affect idle? The resistance of the transmission fluid takes energy from the engine and lowers the idle speed slightly. Can a bad tr...
95 ls your vehicle is idling from 1000rpm to 2500rpm until the vehicle gets warm what is causing this issue?
What would cause the idle to go up and down? Among the potential underlying causes are vacuum leaks, EGR system malfunctions, malfunctioning oxygen se...
Where is the ICV on your 1997 Toyota Corolla what does it look like and how do you fix it?
Where is the air control valve located? The IACV is usually located on the intake manifold near the back of the throttle body. Before starting the cle...
What is meant by idle speed?
What is a good idle speed? The idle speed should feel consistent without skipping or slipping. In most of today's cars, an idle speed of 600 to 1000 R...
What's wrong if a 1993 Toyota Camry is constantly running sluggishly and at times it begins to lose power the rpms jump or the vehicle dies?
What causes a car to idle up and down? If an engine is not getting enough fuel (this is called “running lean”), due to fuel pressure (regulated by the...
How do you put an idle air control valve in?
Is it hard to replace idle control valve? The replacement cost of an idle control valve is anywhere from $120 to $500. ... The labor cost should only ...
Honda integra zc 1.6 automatic and it idles at 2000 rpm in park and neutral why is that?
What causes a Honda to idle high? Malfunctioning Throttle A malfunctioning throttle system can cause both a high or low idle as well as an engine stal...
What causes my 1988 mercury tracer with a 1.6 motor to idle high then when while driving then the rpms jump up and down then the car kills and wont start again for a while?
What would cause the idle to go up and down? Among the potential underlying causes are vacuum leaks, EGR system malfunctions, malfunctioning oxygen se...
Why would a car start but not rev above 2 rpm's at idle but it still runs rough and makes rough sound?
What causes low RPM at idle? Causes of a rough idle. Many different problems could result in a rough idle for your car or truck, including dirty fuel ...
What part can you buy to stop fast idling and pulsation idling?
What sensors control idle speed? The computer monitors idle speed by counting ignition pulses from the ignition module in the distributor or crankshaf...
What is a isc system in a car?
What does ISC valve stand for? Commonly called an idle air control (IAC) valve or idle speed control (ISC) valve, this device is used on many cable-op...