The red lightning bolt in the center of a venturi is the warning lamp for the drive by wire or electronic throttle.
Lightning bolt flashing on dash.
To prevent a runaway engine.
This video is my explanation of the chrysler 300 s dreaded lightning bolt warning light.
Joined dec 20 2015 88 posts.
The gas pedal is not mechanically connected to the engine.
Discussion starter 1 jan 31 2016 edited.
If the pcm recognizes a fault in the drive by wire it will react by reducing the gain opening the throttle significantly.
Rough idle lightning bolt which kills the throttle will only idle to move vehicle.