Q: Occasional high revving

asked by on

In the last years or so, I've been having intermittent issues with my car. Yesterday morning, I tried to turn the car on, pressed the button to start it up and the engine started revving high. The RPMs were around 7500. I restarted the car several times so it finally started running normally. This happens sometimes and it doesn't depend on the outside temperatures. What could be wrong with my car?

Hello. Thanks for writing in about your 2013 Nissan Cube. I would suggest having idle air control valve tested and the operation of the pedal position sensor checked with a scan tool or multimeter. It sounds like the idle air control valve may be causing the idle to go to high or the pedal position sensor is sending the incorrect gas pedal position to the engine which is causing the engine to rev up like you are actually hitting the gas. It is very likely that either one of these components are causing your intermittent increases in RPM. A certified technician from YourMechanic can come to your home or office to diagnose your car’s high revving problem if you still need help.

Was this answer helpful?
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. Occasional high revving

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: I have a 2013 hyundai elantra. today my car would not shift out of 1st gear and would not go over 20 miles per hour it was like i

It sounds like the transmission may have gone into limp mode. An electronic or mechanical issue with the transmission is telling the transmission control unit to keep the speed and shifting down. If you are the original owner of the...

Q: Car running sluggish then dies - 1988 Mercedes-Benz 420SEL

Hello. I would check the fuel filter first. If the filter is clogged then this will occur. If the fuel filter is fine then the air flow meter needs to be checked. This is the most common part to fail...

Q: I am having a problem with degraded acceleration/mileage.

I would recommend checking/testing the O2 sensor and the MAF (Mass Air Flow) sensor. When either of these two sensors are not working properly, as you may know, they will send inaccurate signals to the ECM which will then, in...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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.