What does engine diagnostics warning light mean?

What does engine diagnostics warning light mean?

The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems. All cars and light trucks have onboard diagnostics that are supposed to detect engine-related problems that affect the emissions control systems.

How long can you drive with engine light on?

It is safe to drive your car for 50 to 100 miles (80 to 160 kilometers) regardless if the Check Engine Light signal is on. Take some individual trips so that the car’s system can assess all the car components’ status on each trip. “Individual trips” means turning off the engine and starting another trip every time.

What does the Check Engine light mean on a Subaru?

Or the light may be nothing more than a picture of an engine, known as the International Check Engine Symbol, perhaps with the word “Check”. In late model Subaru’s, when the check engine light is illuminated, your Subaru may turn on other warning lights (cruise control, VDC, Hill Holder, X-Mode, etc).

How can I tell if my check engine light is misfire?

A quick trick to determine if a coil is causing a misfire is to simply move the coil and swap with another on the engine. If you have a #2 misfire and move the #2 coil to #4, for example, then the misfire moves to #4, you know the coil is suspect.

How to reset check engine light with OBD-II?

1 Connect the scan tool to the OBD – II Connecting the scan tool to the OBD- II ( On- board diagnostic connector) under your steering column. 2 View error codes by pressing the “READ” button Pressing the “READ” button on the scan tool to see the error codes of the engine. 3 Remove the error code

How can I remove an error code from my Check Engine light?

Pressing the “READ” button on the scan tool to see the error codes of the engine. You should need a pen to write down the code or codes in the order they were received for future repairs or reference if needed. Pressing the “ERASE” button on the scan tool to remove the error code.