Skip the auto shop - Our mechanics make house calls

Q: Engine light

asked by on

Toyota engine light is ON only when the ignition is on but the engine light will turn off as soon as the engine gets started. Why ??

A: Hello and thank you for your question. Toy...

Hello and thank you for your question. Toyota vehicles have a self test built within the computer systems. When you put the key in the ignition and turn on the key to the On position or Accessory position, the engine light and oil light will illuminate. When you start the vehicle, these two lights should shut off once the computer system verifies that all conditions of the vehicle are current and error free. If there is a problem with the engine management system, the engine light will remain lit up after starting the engine. If your warning lights remain on, indicating that there is an issue, you can contact a YourMechanic certified technician to come to your location to diagnose and repair the warning light.

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: How do I install a car seat using the Lower Anchors and Tethers for CHildren system?

Your car features anchor points for securing a car seat called the Lower Anchors and Tethers for CHildren (LATCH) system. This provides additional security and stability for your child. Here’s how to use it: Locate the anchor points (they’re...

Q: My car is rapidly burning oil

Hi. There could be a possible leak somewhere I don't want you to rule that out. It seems that some of the interal engine parts are worn out causing the engine to burn oil. The only way to fix this...

Q: What does the charging system Warning Light mean in a 2012 Toyota Corolla?

The charging system Warning Light is located on the instrument panel. When this light illuminates, the vehicle’s charging system is not charging properly. Your vehicle should be serviced immediately. Tip Like all warning lights, the charging system Warning Light...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
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...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.