Q: Why is my RPI really high when I stop at a traffic light
when I start my jeep that starts up fine when I start driving it it is fine but when I am on a main road come to a red traffic light and stop my RPMs are really high I would why
My car has 15612 miles.
My car has an automatic transmission.
The statements expressed above are only for informational purposes and should be independently verified. Please see our
terms of service
for more details
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
What others are asking
How do I enable the autolamp control?
The Autolamp Control on your truck can make turning on your headlights easier. The Autolamp Control turns your headlights on automatically when it senses darkness. To enable Auto Lamp Control. Turn the Headlamp Control knob to the fourth spot. Turn...
Horn no longer working.
Hi there. There could be several reason why your horn could have stopped working. (https://www.yourmechanic.com/services/horn-does-not-blow-inspection) Did it happen after you washed your car or after it rained? Water sometimes gets in the horn itself and shorts it out. Do you...
How do I change the display?
You can change the display based on what you would like the audio system to show you. The display has two available options: Title (the song name or program title will be displayed), and Name/Title (artist and song name, or...
I live in CA. Can I tint the windows in my car?
Window tint laws (https://www.yourmechanic.com/article/how-much-can-i-tint-my-windows-legally) vary from state to state. In California, there is no limit for how dark you can tint your rear side windows or the larger back window as long as you have vision as a driver. However,...
I went to start it and it turns over but just wont start
Your Jimmy most likely has a week fuel pump. A cold motor needs more fuel to run than a fully warmed motor. With this motor you can add fuel to get it started. I suggest starter fluid because it can...
Check Engine Light and O2 sensor on a used car
Hi there. Assuming the vehicle Check Engine Light is an O2 sensor code does not necessarily mean the O2 sensor is at fault. It could be an electrical fault in the O2 sensor circuit(s). I highly recommend that you have...
car starts fine sometimes after its turn off wont start for while
Hi there: Most of the time when your car won't start it's due to a fault with the ignition or fuel system. If the issue is inconsistent as you've described, it's possible that you have a loose electrical wire that...
Car won,t start.
You mention the car being "parked". If, by chance, the car has sat unused for "months", the gasoline in the tank is usually bad and that alone will cause a no start condition. In a scenario such as that, the...
When my car is idling at ref light it's shakes as if it's going to die. What is the problem?
Shaking or vibration (https://www.yourmechanic.com/services/engine-is-shaking-pulsating-or-vibrating-inspection) may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to drop below...
Related articles
How Long Can I Leave the AC on While My Engine Is Not Running?
You’ve parked your car, and are sitting inside waiting. Maybe you’re early for work and don’t want to head into...
Symptoms of a Bad or Failing Air Fuel Ratio Sensor
If you notice a decrease in fuel efficiency or engine power output, as well as a rough idle, you may have to replace any air-fuel ratio sensors.
Symptoms of a Bad or Failing Oxygen Sensor
Common signs of a faulty car oxygen sensor include the Check Engine Light coming on, bad gas mileage, and a rough idle.
Browse other content
Maintenance
Cities