Other information:
The lane is not visible due to snow, rain, debris, puddles or other environmental
conditions.
The brightness outside changes suddenly such as when entering/exiting
a tunnel.
The headlights are off at night or the vehicle is in a tunnel.
The color of the lane marking from the road is d ...
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV
valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Run the engine at idle, then put a finger over the open end ...