How Can I Get My Check Engine Light Checked For Free?

How do you tell if its your starter or your battery?

Signs the Battery is Dead:When you attempt to start the car, there is a low whining sound.If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is probably the problem..

Can Jiffy Lube fix a check engine light?

Jiffy Lube® Technicians will perform a diagnostic test which will help them recommend the right repair or service for your vehicle, if one is called for. And of course they can also reset the Check Engine light.

Can AutoZone reset check engine light?

AutoZone can help you diagnose the cause of the light and help you correct it. In most cases disconnecting the battery for a few minutes then reconnecting will clear the fault codes and turn off the light. But if the issue has not been resolved it will come back on, in some cases almost immediately.

Can check engine light turn itself off?

A check engine light will shut itself off if the condition that caused it is remedied. So, if your converter is marginal, and you did a lot of stop-and-go driving, which creates high demand for the converter, that may have turned on the check engine light.

Is check engine light serious?

The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong. … If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can quickly overheat the catalytic converter.

What does AutoZone check 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. Check your alternator and starter.

How much does it cost to diagnose a check engine light?

On average, the fee to have an auto mechanic diagnose a check engine light is $100.

How do you check a check engine light code?

How to Read Codes From Your Check Engine Light (For Older Cars)Step 1: Find Your Vehicle’s Diagnostic Plug. The first step is to find your vehicles diagnostic plug. … Step 2: Bridge the Wires. Get a paper clip or a piece of wire with the ends stripped off. … Step 3: Watch the Flashing Light and Decipher the Code.

Why is my car shaking and check engine light on?

If your check engine light is accompanied by your car shaking, there is cause for serious concern. The shaking feeling can be caused by misfires, poor fuel pressure, faulty spark plugs, or a broken engine mount. The engine mounts are rubber grips that hold the engine to the chassis of the vehicle.

Will AutoZone tell me what’s wrong with my car?

s wrong with your car? they haven?t fixed anything yet. But you can get a similar service from AutoZone at no charge. … ll interpret the diagnostics for you and tell you what parts you need to fix the car.

Can AutoZone check service engine soon?

Auto parts store. AutoZone is well known for doing free check engine light diagnostics. … The process only takes a couple of minutes and they will provide you with a print out listing the troubleshooting code and diagnosis, a definition and explanation of the potential problem, and probable causes.

Can I drive with check engine light on?

It’s okay to drive the car if the check engine light is steady. But only if the vehicle’s essential systems such as brakes and lights are operational. Keep a close eye on your car’s dashboard warning lights, including the coolant temperature and oil pressure.

Can spark plugs cause a check engine light?

Another common reason for seeing a check engine light is faulty spark plugs or plug wires. Your spark plugs and wires are what ignites the fuel/air combo to make your engine turn. Old or faulty plugs and wires can cause weakened engine performance and poor fuel economy at best.

Can low oil cause misfire?

You can’t drive a misfiring engine very long without causing additional damage. … If the low oil pressure warning light came on, too, there could be a connection simply because running the engine too low on oil will cause mechanical damage and thence malfunctions of all kinds.

Does AutoZone check engine light for free?

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.

What is the most common reason for check engine light?

Replacing a faulty oxygen sensor — a sensor used to optimize a vehicle’s fuel-to-air mixture to increase gas mileage and reduce emissions — is the most common cause for a check engine light. With over 400,000 repairs nationwide, oxygen sensor replacements account for 8% of all check engine light repairs.

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

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.

How accurate is Autozone diagnostic?

Autozone’s free diagnostic check is not extremely reliable. … Autozone’s “diagnostic check” may not be extremely accurate, but it is a free service that can offer valuable information while trying to fix a problem.