O2 sensor stuck lean
This is usually caused by an exhaust leak, misfire or badly out of calibration fuel injection system.
The code usually shows up alone as the computer ignores this problem if it sees a misfire and brings up that code instead.
Trouble code P2270 means: O2 sensor signal stuck lean bank 1 sensor 2
OBD code P2270 indicates a problem with the intake air system, often related to a vacuum leak or an issue with the air intake sensor. To repair this code, you should inspect the intake system for any leaks, check the connections, and ensure that the air intake sensor is functioning correctly. Cleaning or replacing the sensor may also be necessary, along with addressing any underlying issues causing the vacuum leak. After repairs, clear the codes and test drive the vehicle to ensure the issue is resolved.
Check on the driverside cylinder head. My engine code is on the head.
When the check engine light comes on it should post a code. Use a code reader to see what the code is and ask again.
yes it can. if the check engine light shuts off by itself then chances are either the trouble code is a soft code. A hard code will keep the check engine light on until the problem is fixed and the check engine light is reset.
and what code does the check engine light say ? go by autozone they will check it for free and get the code.
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.
You can buy the check engine computer and the book comes with it. I know, I bought one. When your check engine light comes on, you plug it in and check the engine and it will give you the code and you look in the book for that code and it gives you the answer.
The check engine light sets a code for diagnostics and you need a code reader. Most auto parts stores sell code readers and most will check the codes for free.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
P0520 Code Engine Oil Pressure Sensor/Switch Circuit Malfunction
Usual first sign is a check engine light with a code P0420.Usual first sign is a check engine light with a code P0420.