Quick Answer: Is it OK to drive a car with check engine light on?

How long can I drive my car with check engine light on?

It’s okay to drive for a few miles, but be sure to schedule an inspection of the engine as soon as possible. If the check engine light comes on while you’re driving, don’t panic! Pay attention and see if the car is driving any differently than normal.

Is it safe to drive with check engine light on?

The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.

When should I be worried about check engine light?

Unlike a Temperature or Oil Pressure light, a Check Engine light is usually not an urgent, “Stop right now or you may cause permanent damage!” type of situation, unless it is flashing. … If your gas cap is loose or the seal is not tight, the vapor leakage can cause your fuel system to trigger the check engine light.

What is the most common reason for check engine light?

Replacing a faulty oxygen sensor — a sensor used to optimize a vehicle’s fuel-to-air mixture to increase gas mileage and reduce emissions — is the most common cause for a check engine light.

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Will check engine light go off by itself?

A check engine light will shut itself off if the condition that caused it is remedied. … If you then did a bunch of highway driving before changing the oil, the specs may have dropped back into the normal range, causing the light to go off.

Is the check engine light a big problem?

A check engine light can indicate any number of issues: It could be a very minor problem, such as a loose gas cap. … If the check engine light is flashing, you have a major problem, and you need to stop driving the vehicle as soon as possible.

How much does it cost to get your check engine light fixed?

The costs to fix whatever’s ailing your car — and causing the light to come on — can vary greatly. Repair costs for the most common check engine light problems range from under $20 to almost $1,200, according to CarMD’s analysis of millions of repairs recommended in 2016 in the U.S.