Skip the auto shop - Our mechanics make house calls

Q: Rpms running too high

asked by on

The rpm is running very high, 2000+ in Park or Neutral. I am getting error codes bank 1 bank 2.

Hello. I suspect that the idle air control valve is faulty. The idle air control valve is supposed to smoothly adjust the engine’s idle to the changing driver conditions, like stopping at a light. If it is malfunctioning, it can cause the idle to be to high or at worst cause the engine to shut off. Also, it is common that a vehicle will experience high idle due to carbon build up inside of the throttle body. This type of build up is normal and every vehicle will experience this at some point. I suggest that a technician clean the throttle body of any deposits and test the idle air control valve with a scan tool or multimeter. If you need further assistance, I recommend you have a mechanic, like one from YourMechanic, diagnose your high revving vehicle and repair any failing components.

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: Gearbox Rattle Holden Cruze 2003

Hello. You are right that it can be any number of these things. To diagnose this, I usually get the vehicle in the air and drive it to see if I can pinpoint the noise. Most of the time it...

Q: Idling problems and difficult startup

There are many different items that can cause the vehicle to idle poorly. The most common would be the spark plugs and wires, MAF sensor, vacuum leak, IAC valve, exhaust leak, or oxygen sensor failure. I recommend having the vehicle...

Q: Car will not move

You need to look under the drivers side of the dash to see if the shifter linkage in the steering column is moving the shift cable. The bolts that hold the bracket to the bottom of the shifter shaft come...

Related articles

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 to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
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...