What should I do if my check engine light comes on?

What could cause the check engine light to come on?

Spark Plugs

Finally, worn spark plugs or plug wires will result in a check engine warning. Just about anything wrong with your vehicle’s ignition system will likely cause your check engine light to come on. … Stalls are another indicator of spark plug trouble.

Is it safe to drive your car with the check engine light on?

In many vehicles, there are two types of check engine lights—a solid light and a flashing light. A flashing light could mean a more serious problem like an overheating engine or engine misfire, sometimes causing irreversible damage. You shouldn’t drive further if this is the case.

Where do I go when my check engine light is on?

It should be taken to a repair garage soon, Calkins says. Check engine light flashing: If the symbol is blinking or flashing, this is a more serious problem. In these cases, Calkins says, you should pull over at a safe location, shut off the engine and have the car towed to a repair facility for diagnosis.

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Can low oil cause the check engine light to come on?

Low oil pressure

Low oil pressure is a common cause of a check engine light turning on, and it can seriously interfere with your car’s performance. Usually, if this is the case, your oil light will also appear. … In any case, low enough oil pressure will disable your vehicle, so get this repaired immediately.

Will check engine light reset itself?

Your vehicle’s check engine light will will reset by itself once the issue or problem has been repaired; this is true for most models. But the issue may be a bit more involved than simply resetting it. The issue may stem from your car having to run several cycles.

How long can I drive with check engine light flashing?

Flashing Check Engine Light

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.

Can AutoZone check engine light?

Does AutoZone Scan Check Engine Lights? AutoZone does. If your light is on, and you are wondering why, head down to your local AutoZone where one of our store associates can help diagnose the issue through our free Fix Finder service.

Where can I get my check engine light checked for free?

At a local auto parts store

  • Advance Auto Parts.
  • AutoZone.
  • Napa Auto Parts.
  • O’Reilly Auto Parts.
  • Pep Boys Auto Parts.
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How much does it cost to fix check engine light?

The national average repair cost linked to a car or truck’s check engine light now stands at $357, including parts ($216) and labor ($141).

How much does a check engine light diagnosis cost?

According to the 2017 Vehicle Health Index compiled by the automotive diagnostic website CarMD in Irvine, CA, the average cost to resolve an indicated check engine light issue is $398 including parts and labor, which is 2.7% higher this year than it was in 2016.

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