Q: my car is not idling and wants to stall while stationary or moving slow after it gets warm.

asked by on

When I am driving my jeap after it warms up say over 75 miles of continuous driving it does not idle and wants to stall when you come to a stop. But when you are driving continually and not stopping no issues.

My car has 126000 miles.
My car has an automatic transmission.

It sounds like you may have a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at idle. This valve is controlled by the vehicle’s computer which will adjust idle speed based upon other measurements such as engine temperature, intake air temperature and electrical system load or voltage. When you accelerate, the engine RPM increases, and as you let off the gas, the RPM slowly returns to the normal idling speed. When the engine RPM drops below the normal range of 750-800 RPM, this often times will cause the engine to stall indicating a dirty or faulty idle air control valve. I would recommend having an expert from YourMechanic come to your location to diagnose and repair your idle air control valve.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. my car is not idling and wants to stall while stationary or moving slow after it gets warm.

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car will not idle

If the car will not idle then you may have a carburetor mixture problem or ignition timing and distributor problems. If the carburetor needle and seat is leaking, it may be flooding the engine at idle. I recommend having a...

Q: Automatic headlights not working

The automatic headlights require the sun sensor on the dash and rear view mirror to work correctly. The issue could also stem from a faulty automatic headlight switch module. I recommend having a mechanic, such as one from YourMechanic, run...

Q: Fuel is leaking.

This suggests that you may have a fuel leak. There are many different places where the car may be leaking fuel from. There are fuel lines that run from the fuel tank along the underneath side of the chassis up...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.