Common check engine problems for the Subaru Liberty with the EJ22 engine often include issues with the mass airflow sensor, oxygen sensors, or vacuum leaks. Additionally, problems with the catalytic converter or ignition components, such as spark plugs and coils, can trigger the check engine light. Routine diagnostics using an OBD-II scanner can help identify specific trouble codes related to these issues. Regular maintenance is key to preventing and addressing such problems.
It is possible that a Subaru Check Engine Code #12 is a bad starter switch. This is usually the starter relay switch malfunction code for Subaru.
your engine is stuffed
How do you reset engine light on jeep liberty diesel
yes
clean the maf sensor with maf cleaner and general tune up, fuel filter and fix check engine and related problems
wipers,headlights,speedometer,door locks,air conditioner,electric mirrors, stopped working
Check this site for information: http://www.troublecodes.net/Subaru/
The engine computer controls the check engine light.
With the proper scan tool.
With a scan tool
what is this code p1491 on 2003 jeep liberty
Not necessarily.