How can I get a free check engine light diagnostic?

AutoZone is well known for doing free check engine light diagnostics. Just go into the store and ask someone behind the counter.

Does AutoZone do free check engine light diagnostics?

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.

Does O’Reilly do free check engine light testing?

O’Reilly Auto Parts offers free check engine light testing to help you diagnose the problem. Most of our stores can loan you a code reader for OBD 1&2 systems for vehicles from 1996 and up, except in areas where it is prohibited by law.

Can AutoZone clear codes?

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 do you fix a check engine light?

If the check engine light comes on, here are some tips on what you should do:

1. Look for a serious problem that requires immediate attention.
2. Try tightening your gas cap.
3. Reduce speed and load.
4. Use built-in diagnostic services, if available.

How do you check the Check Engine light?

Put your key in the ignition and switch the vehicle to “on.” Do not start the vehicle. Once the lights on the dash come on, turn off all the vehicle’s accessories, like the radio. Then, press the “read” button on the scanner to access the check engine light code.

Why no check engine light?

The MIL or check engine light illuminates ONLY when there is an emissions failure. It is possible to have a code stored without a check engine light, but it is not possible to have a check engine light without a code. Emmission failures are any failure that increases the car’s emissions beyond the EPA’s allowable specs.

What to do if the Check Engine light comes on?

If the check engine light comes on, here are some tips on what you should do: Look for a serious problem that requires immediate attention. Check your dashboard gauges and lights for indications of low oil pressure or overheating. These conditions mean you should pull over and shut off the engine as soon as you can find a safe place to do so.

What does “check engine” light usually mean?

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.