Can AutoZone read codes?

While yes, both yourself and AutoZone can read the engine computer’s stored codes, and through Fix Finder, determine likely causes based on thousands of mechanics intel, none of these can pinpoint with 100% accuracy exactly why the CEL came on.

Does AutoZone do free code reader?

Many drivers don’t realize that AutoZone, the nation’s largest auto parts chain, will do the following services free of charge: Read the codes on your check engine light. Test your battery’s voltage. Check your alternator and starter.

Does AutoZone do code scans?

You can get to the bottom of your vehicle’s diagnostics by purchasing your own code reader, or you can bring your car to your local AutoZone and get it scanned as a part of our free Fix Finder service.

Can AutoZone reset codes?

Yes. Almost every code reader has the ability to erase codes. Keep in mind, on some vehicles, when you erase codes, you are also erasing information that can help a mechanic with diagnosing the cause of the check engine light/code.

How much is a code reader for a car?

Comparison of the best OBD2 scanners in 2020

THIS IS IMPORTANT:  Is filtered air necessary for engine life longevity?
Brand Price
The best dedicated OBD2 scanner on a budget Innova $90
The best high-end consumer-class OBD2 scanner with a candy-bar grip Autel $299
The best hybrid OBD2 scanner Ancel $60
The best OBD2 scanner option from the bottom of the barrel Anself $14

What code reader does AutoZone use?

AutoZone | Innova’s 3040 OBD II Code Reader.

How much does AutoZone charge for diagnostic test?

At AutoZone, you don’t need to pay for testing your car. You can get your car’s parts tested for free at AutoZone. We can check out your car’s battery, alternator, starter, and voltage regulators while they’re still on your car. A complete starting and charging systems test can be given to your car.

Will disconnecting battery clear codes?

Leaving the battery disconnected for about 15 minutes will ensure the vehicle systems will completely reset when you reconnect the battery. Secure the negative cable back to the terminal and cover it with the cap (if applicable). Disconnecting the battery will clear the error codes and reset the check engine light.

How long can you drive a car with 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.

Do OBD codes clear themselves?

If the condition that caused it to come on is a minor fault, and stops occurring, then yes, it will clear itself. If the condition indicates a larger problem, then it will stay on until cleared manually. A good example of a condition that will clear itself, is low brake fluid.

THIS IS IMPORTANT:  Quick Answer: What is a good engine compression reading?

Can Autozone check Mercedes codes?

Free Check Engine Light Service

Autozone, PepBoys, Advance Auto Parts, O’Reilly and even some auto repair shops offer this service for free. … Also they will retrive the fault codes, but in most cases will not erase the light due to store’s policy.

Are car code readers worth it?

It works by plugging into the car’s computer system and displaying a “trouble code.” An engine code reader/scanner is worth buying if you’re a fairly competent amateur mechanic who understands how an engine works. But it’s not a silver bullet that will always tell you exactly what’s wrong.

Can you rent an engine code reader?

The best place to rent or borrow an on-board diagnosics (OBD or OBD II) scanner is often at a mechanic’s office or garage. Scanning may or may not be a free service that they will offer. Oftentimes, a mechanic will scan your vehicle for free if you will be buying repair services from his shop.