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

Emission System Application Chart

ENGINE/MODEL
4.2L XJ6

EMISSION DEVICES & SYSTEMS
AIS - Air Injection System
CAT - Catalytic Convertor
EVAP - Evaporative Emission Controls
O2 - Oxygen Sensor
PCV - Positive Crankcase Ventilation