Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Emission Control Systems: Application and ID

Engine 3.1L (192 cid)

Fuel System (California Emission) Sequential Fuel Injection (MFI)
Fuel System (Federal Emission) Multiport Fuel Injection (MFI)


DEVICES & SYSTEMS

TWC Three Way Catalyst
CEC Computerized Engine Control
MIL Malfunction Indicator Lamp
EGR Digital Exhaust Gas Recirculation
KS Knock Sensor
EVAP Evaporative Emission Control
AIR (California Emissions Only) Secondary Air Injection
FR Fuel Pipe Restrictor
O2S Oxygen Sensor
[1][2]PCV Positive Crankcase Ventilation
IC Ignition Control