Depends on the make of the vehicle.
Ford=Transmission Fluid Temperature sensor out of self-test range.
Hyundai=Oil Temperature sensor abnormal
Subaru=Engine Torque Control signal 1 circuit malfunction
code 0093 what does it mean
What does code 32 mean on Dodge Ram 1500 ,5.9 engine
The check engine light stays on when the engine computer has detected a malfunction and set a trouble code.
Depnds on the code
what does the code PO222 on a dodge 5.9 mean
The engine computer has detected a malfunction and set a code.
Input/Turbine speed sensor malfunction
The check engine code PO136 means the O2 sensor circuit malfunction
The check engine light comes on when the engine computer has detected a malfunction and set a trouble code.
Engine code P0507 mean High idle speed. Check out the the idle speed control motor(ISC). LOCATED near the throttle body.
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.
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.