An automotive computer diagnostic check, also known as a car diagnostic test, is a scan of your car's computer system to identify issues. It can help you pinpoint problems with your engine, transmission, brakes, and more.
How it's done
A licensed mechanic connects a specialized scanner to your car's onboard computer
The scanner reads error codes and gathers information about your car's performance
The mechanic may also perform a road test or visual inspection
What it can help with
Identifying the cause of your check engine light
Finding the underlying problem behind engine trouble
Identifying potential problems before they worsen
Saving time and resources for repair specialists
When to get a diagnostic check
You might want to get a diagnostic check if your check engine light comes on, or if your car is experiencing other issues.
Test duration
A standard diagnostic test can take about an hour, but more complicated issues may take longer.
An automotive computer diagnostic check, also known as a car diagnostic test, is a scan of your car's computer system to identify issues. It can help you pinpoint problems with your engine, transmission, brakes, and more.
How it's done
A licensed mechanic connects a specialized scanner to your car's onboard computer
The scanner reads error codes and gathers information about your car's performance
The mechanic may also perform a road test or visual inspection
What it can help with
Identifying the cause of your check engine light
Finding the underlying problem behind engine trouble
Identifying potential problems before they worsen
Saving time and resources for repair specialists
When to get a diagnostic check
You might want to get a diagnostic check if your check engine light comes on, or if your car is experiencing other issues.
Test duration
A standard diagnostic test can take about an hour, but more complicated issues may take longer.
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