Keep in mind that vehicles made since 1996 require an obd ii reader but some scan tools are able to.
Engine light code reader autozone.
Obd scanners and code readers pull trouble codes from the vehicle s computer to help determine what may have caused the light to come on.
Autozone s free fix finder service.
Troubleshoot diagnostic codes with a custom report tailored to your vehicle s year make model and mileage.
The red led is also used to show that dtc s are present.
For example if your vehicle s obd detects a leak in the evaporative emission system you may see a p0442 code.
Free autozone fix finder service check engine light diagnostic tool.
With our wide variety of code readers you can get to the root of the problem in no time.
Our obd2 scanners and other diagnostic tools also help you keep track of your previous vehicle repairs.
Obd ii readers and services like autozone s fix finder are pretty useful for diagnosing the cause of a glowing cel.
Remember to return the scan tool to an autozone employee when finished.
These tools can take the guesswork out of reading and clearing check engine light codes on most models.
We re more than a little familiar with the types of issues that cause the check engine light to become illuminated so we ve compiled a list of the top 5 reasons why the check engine light is on.
In this case the malfunction indicator check engine lamp on the vehicle s instrument panel will light steady on.
Reading as a series of five letters and numbers the dtc allows you to home in on the system that is not functioning properly.