Can AutoZone read codes without check engine light?

You can. All that you need to check your own light is an OBD-II reader, which can pull codes that help you find out what’s wrong with your car. If you don’t have a code reader, keep reading to learn the most common causes, and then bring your car to your local AutoZone to find out why your Check Engine Light is on.

Can you read codes without check engine light on?

In short, yes; it’s possible to diagnose a problem with a vehicle even if the check engine light does not illuminate. A professional mechanic would start by downloading any error codes store in your 2005 Ford Explorer’s computer.

Does AutoZone let you use code reader?

We can help you get a reading yourself. Borrow an OBD reader to get a Check Engine Light reading with the AutoZone Free Fix Finder Service. It’s a simple task that takes less than two minutes.

Does AutoZone still scan codes for free?

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.

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How accurate is AutoZone code reader?

Autozone’s free diagnostic check is not extremely reliable. What they refer to as a “diagnostic check” is just having a code scanner hooked up to the vehicle’s computer. The scanner reads through and finds out what error codes the computer system has registered.

Why is my car not reading codes?

If you’ve plugged into your car’s diagnostic port and aren’t reading anything, you might think that your OBD-II brain has been fried, but don’t declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse. … Check your fuses to see if any have gone bad.

Can AutoZone turn off check engine light?

Yes they can make the light go out temporarily. They do it by using a scanner to erase the readiness monitors. Then until the readiness monitors reset (might be days, weeks or months) the light will stay off. That is, unless there is a hard failure then the light will come back when the car is restarted.

Can you borrow stuff from AutoZone?

Loan-a-Tools

Get specialty tools you need the easy way with AutoZone’s Loan-A-Tool® service, and get your full deposit back after returning them within 90 days. If you decide you want a tool, you can keep it, and buy it with the deposit.

What kind of scan tool does AutoZone use?

AutoZone | Innova’s 3040 OBD II Code Reader.

How long does AutoZone diagnostic take?

Fix Finder reads information from the Check Engine, ABS, and maintenance lights. The test often takes less than a minute once the reader is plugged in. Find the closest store to you.

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Is AutoZone alternator test accurate?

In 5 minutes, they hooked up their equipment and tested the battery load. They advised the alternator was toast – confirmed that with the repair shop the next day. Short answer – Yes, they’re accurate.

Are code readers accurate?

OBD2 scanners are accurate but you must know what the codes are telling you because they are numerous.

How much does it cost to diagnose a car?

How Much Does a Car Diagnostic Cost? The average price for a car diagnostic test costs about $82.50 with average prices ranging from $65 to $100 for the US in 2020 according to SuperMoney. Repairpal states it should cost between $88 and $111, but Popular mechanic states it should cost between $20 and $400.