How can I fix my check engine light?

Where do I go to fix my check engine light?

Solving check engine light problems

  1. Take your car to a mechanic and pay a diagnostic fee. Often, the fee is waived if you agree to have the necessary service performed at that garage.
  2. Bring your car to an auto parts store and have the code read for free. …
  3. Buy an inexpensive scanner and read the code yourself.

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.

Can I reset my own check engine light?

Turning the Ignition On and Off

The on-off method is the equivalent fix for a vehicle’s check engine light. It forces the computer to refresh its saved state through a reboot. Simply place your key into the ignition and turn it on for 1-2 seconds, then turn it off for 1-2 seconds. Repeat this step three or four times.

IT IS INTERESTING:  How much does a motor cost for a NASCAR?

Will AutoZone do a free diagnostic?

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.

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

Low oil pressure: If your car is low on oil, it can cause your check engine light to go off. This is often shown in its own glowing light along with the check engine light on the dashboard.

Will Autozone reset check engine light?

Did you know that you can get your check engine light scanned for free? Any of the major parts stores in the country, such as: Napa, Advance Auto, Autozone and O’Reilly’s, will scan your vehicle, and tell you the P codes for no charge at all.

How long can you drive with a check engine light on?

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.

Why is my check engine light on but no codes?

Generally if the light is coming on and no codes are stored the processor that triggers the light is faulty or the circuit is shorted to power. disconnect that circuit from the ECU if the light goes off probably an issue with the ECU, if the light stays on look for a short to power on that circuit.

IT IS INTERESTING:  What cars use Jatco transmissions?

What happens when you clear a check engine light?

When you clear codes, you also clear diagnostic data

When the check engine light comes on, a trouble code is stored and freeze frame data is stored. A trouble code lets us know which computer test failed. The freeze frame data shows us the data the computer saw at the time of the fault.

How do I know if my check engine light has been erased?

Press Read or Enter on the scanner, depending on the scanner model that you have. Please scroll down to the I/M Readiness menu and select it. Look at all the systems. If most of them say NOT READY, it means the check engine light was recently reset.