VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS EQUIPPED WITH A 4.2L ENGINE AND ORIGINALLY SOLD OR CURRENTLY REGISTERED IN ONE OF THE FOLLOWING STATES: ALASKA, MONTANA, NORTH DAKOTA, MINNESOTA, WISCONSIN, NEW YORK, VERMONT, NEW HAMPSHIRE, MAINE, MICHIGAN, IDAHO, WYOMING, SOUTH DAKOTA, COLORADO, NEBRASKA, KANSAS, IOWA, MISSOURI, ILLINOIS, INDIANA, OHIO, PENNSYLVANIA, AND MASSACHUSETTS. THE THROTTLE IS UNABLE TO RETURN TO IDLE DUE TO ICE FORMING IN THE THROTTLE BODY WHEN THE TEMPERATURE RANGES FROM -10 TO -40 DEGREES FAHRENHEIT.