Why does the service engine soon light come on?

Why does the service engine soon light come on?

I’m pretty sure that the “Service Engine Soon” light could be a problem with the gas cap since it only comes in when the cap is removed, but the behavior of the gas gauge is a bit puzzling and I was wondering if it could be related to the “Service Engine Soon” light. The Frontier currently has about 75,758 miles on it.

What does service engine soon mean on gas gauge?

On the drive home, the gas gauge indication slowly increased until it indicated full. The next time I got into the car the “Service Engine Soon” light was out and I thought, “problem solved.” It was, until the next time I filled the tank.

When does the Check Engine light come on?

The check engine light is coming up when the engine control unit or the transmission control unit has detected a fault in the engine or transmission system. If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner.

What to do if your engine maintenance light goes out?

Check your engine control unit for any stored trouble codes. If you receive any codes, save them and try to get information about what they mean. If there are codes for emission problems that are not dangerous for your engine, you can try deleting the code to see if the engine maintenance light goes out.

When to use service engine soon instead of check engine light?

Some manufacturers use the service engine soon light instead of the check engine light when there is just a minor problem with your car and not a severe problem. It could also mean that it is time for a scheduled service, such as oil or spark plug replacement.

Why does my check engine light not light up?

If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light.

Is the service engine light a Dirty Little Secret?

Money Saving Products I Use Search The Service Engine Light: Your Mechanic’s Dirty Little Secret Last updated: January 16, 2021 G.E. Miller214 Comments Troubleshoot the Check Engine Light]

Check your engine control unit for any stored trouble codes. If you receive any codes, save them and try to get information about what they mean. If there are codes for emission problems that are not dangerous for your engine, you can try deleting the code to see if the engine maintenance light goes out.