How long can you drive on check engine light?

How long can you drive on check engine light?

When the check engine light is solid, you can typically drive the car for hundreds of miles without an issue. Of course, that depends on which code is stored in the vehicle’s computer. If an engine sensor is faulty, the car will usually use made up sensor values to keep running.

What causes the Check Engine light to come on in a Hyundai?

In a Hyundai, the check engine light comes on as soon as the onboard diagnostic system ( OBD ) detects that there’s an issue with the way the engine operates or Evaporative Emission Control System ( EVAP) which is used to prevent gasoline vapors from escaping into the atmosphere. A fault code stored in…

Why is the Check Engine light on in a Hyundai?

The Hyundai Tucson malfunction indicator light (MIL), often referred to a the check engine light comes on and stays on when there’s a malfunction with the emission control system. Usual causes of the check engine warning light are faulty mass airflow sensor, faulty oxygen sensor or faulty exhaust gas recirculation valve (EGR).

Why is engine check light on in Hyundai Sonata?

If the check engine light in your Hyundai Sonata starts glaring, that means that the problem needs immediate attention and your Hyundai should be brought in quickly. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.

Why check engine light is still on?

One Sensor has a Loose Electrical Connection or is Damaged.

  • Loose or Damaged Fuel Cap. Today’s modern cars,trucks and SUV’s are very carefully monitored for fuel economy and emissions.
  • Damaged O2 sensor.
  • Catalytic Converter is Clogged.
  • Air Filter or Fuel Filter is Dirty.
  • Mass Air Flow Sensor is Damaged.
  • Engine has Oil Lubrication Issues.
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