The people who make the cars with the EFI have particular software programs to make sure the EFI is working properly. Normally those programs are not available to anyone who is not trained to use the program
you have an engine/ignition problem. HAve a garage read the codes and diagnose the problem soon.
It's probably misfiring. You would need to diagnose why.
The service engine soon light on the car dashboard to alert the driver to a problem with the car. A specialized computer scanner or code reader can diagnose the issue.
You can take your vehicle to any AutoZone and they'll diagnose the code for free as ling as the check engine light is on.
There are many causes for a service engine light. You need to have it checked for codes. Then you can diagnose from there.
First step is to have it checked for codes. When you know what code set, you can then diagnose.
Possible speed sensor issue. Have it checked for trouble codes to know what to diagnose.
You have it checked for codes and diagnose the cause of the code.
The service engine light can come on for a variety of reasons. A mechanic can diagnose the specific issue. It just means that the ECU has detected a problem with the emissions system. It may be a simple as a loose gas cap or it may be more serious.
typically yes No not always, check engine usually refers to an air fuel mix problem, it may be a vacuum pipe, lamda sensor ot throttle body problem, get the car plugged in to diagnose the fault.
The process of elimination works. If you have a check engine light, start there.
Diagnose the problem and fix it