July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Fault Code 1066 - Oxygen Sensor (O2) Reads Lean

NOTE: For additional oxygen sensor information, see TITANIA OXYGEN SENSOR TESTING article.

Fig 1: Oxygen Sensor Circuit Diagram

Courtesy of CHRYSLER MOTORS.

Fig 2: Testing For Fault Code 1066 - Oxygen Sensor Reads Lean

Courtesy of CHRYSLER MOTORS.