P0506 Idle Air Control System RPM Lower Than Expected
That is what the check engine light is for. It informs you of a failure.
You reset the check engine light with a scan tool after repairing the failure.
there is a emissions related failure on the vehicle.
The failure is intermittent.
The check engine light on a Chevrolet Colorado can be rest by connecting an OBD II code reader to the vehicle's computer . Each of the codes can then be reset which will turn the associated light off.
The check engine light has nothing to do with an oil change. The check engine light is reset with a scan tool after repairing the failure that caused it.
The check engine light has nothing to do with an oil change it is an indication of a failure of an emissions component.
The check engine light is reset with a scan tool after repairing the failure that caused the trouble codes.
Check your universal joints for wear.
The check engine light does not come on when an oil change is due. The check engine light is for an emissions related failure. It is reset with a scan tool after the fault is repaired.
A scan tool is required to clear the check engine light. If the failure is not repaired, the light will return.
The engine light stays on when the engine computer has detected an emissions related failure and set a code.