You'll need to get the trouble code(s) read to understand the specific issue. This can be done in a few ways:
* OBD-II scanner: A relatively inexpensive OBD-II scanner (available at most auto parts stores) can be plugged into your Jeep's OBD-II port (usually located under the dashboard) and will read the diagnostic trouble codes (DTCs).
* Auto parts store: Many auto parts stores offer free OBD-II code reading services.
* Mechanic: A mechanic will have the tools and expertise to read the codes and diagnose the problem.
Ignoring the check engine light is not recommended. The problem could worsen, potentially causing significant damage to your engine or other components.