Skip the auto shop - Our mechanics make house calls

Q: Help me

asked by on

So my car will go up to 2000 rpm when started then drop below 500rpms then goes between 1000rpms and 500rpms. If I'm driving it I have to keep it above 1000rpms or it'll die. Any ideas?

My car has 109207 miles.
My car has an automatic transmission.

A: It is possible that your idle air control v...

It is possible that your idle air control valve could be malfunctioning. The idle air control valve is responsible for adjusting the air flow to the engine during slowing down. If the idle air control valve is not performing as it should be, the symptoms you are describing are likely to occur. In order to resolve this issue, I would recommed enlisting in the assistance of a qualified mechanic to inspect and/or replace your idle air control valve.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: Power window not working

Hi there. The wires to the window motor should be receiving power at all times. When you press on the switch in either direction to move the window up or down it provides ground to one of the wires or...

Q: RPMs near zero

It seems like your car is experiencing a stalling issue. The engine will need to be checked for proper vacuum and idle control valve function as these are common faults for this type of problem. I recommend having a certified...

Q: My car is shaking - 2000 Ford Mustang

If the shaking is occurring with the car stationary, that would not involve the wheels or driveshaft, although it could implicate the torque converter. A shaking engine diagnostic would start with the motor mounts. If those are judged solid (there...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...