Next time your engine throws a code turn to autozone for an easy to use code reader or diagnostic tool.
Check engine light code reader autozone.
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.
Free autozone fix finder service check engine light diagnostic tool.
Reading as a series of five letters and numbers the dtc allows you to home in on the system that is not functioning properly.
Keep in mind that vehicles made since 1996 require an obd ii reader but some scan tools are able to.
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.
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.
The diagnostic trouble code is the code your obd generates to tell you something is wrong.
Our obd2 scanners and other diagnostic tools also help you keep track of your previous vehicle repairs.
For example if your vehicle s obd detects a leak in the evaporative emission system you may see a p0442 code.
With our wide variety of code readers you can get to the root of the problem in no time.
Autozone s free fix finder service.
It s a simple task that takes less than two minutes.
Obd ii readers and services like autozone s fix finder are pretty useful for diagnosing the cause of a glowing cel.