What does it mean when your check engine light comes on and your car shuts off?
The engine’s computer is in charge of the crankshaft position sensor, so if it detects a problem with the sensor, the check engine light will come on. Your gas mileage will be much lower than normal, signaling that you have a faulty crankshaft position sensor, which can cause your car to shut off while driving.
Can a check engine light stop working?
If the check engine light is not coming on, then that is a good sign. If the dashboard light is good, then the ECM could be defective causing the light to not come on. Try removing a sensor harness and see if the light comes on. If it does, then the system is working.
How do you turn off the Check Engine light?
How to Get Rid of the “Check Engine” Light 4 Ways to Turn off the “Check Engine” Light 1. Drive Your Car and Let the Light Go off by Itself 2. Turn the Car on and off Three Times 3. Disconnect and Reconnect the Battery 4. Use an OBD Code Reader
Why do check-engine lights come on and go off?
Occasionally, the check engine light comes on when nothing is wrong with the car, said Steve Mazor, chief automotive engineer for the Auto Club of Southern California. It could be a temporary problem caused by a change in humidity or other factors. In such cases, the light should go off by itself after a short time.
Why does the Check Engine light come on?
The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems. It could be caused by something as simple as a loose gas cap or a faulty oxygen sensor or spark plug or something as severe as…
What does the Check Engine light signify?
The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems.