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

Emissions Application Chart:





ACTS - Air Charge Temperature Sensor
AC-SVV - Air Control Solenoid Vacuum Valve
A/CL-DV - Air Cleaner Duct & Valve Motor
A/CL-TCS - Air Cleaner Temperature Control Sensor
A/CL-TSOV - Air Cleaner Temperature Sensor Override Valve
AIR - Air Injection Reaction (Thermactor)
BPS - Barometric Pressure Sensor
DRCV - Distributor Retard Control Valve
DVR - Distributor Vacuum Restrictor
ECAS - Electronic Control Air Sensor
ECCS - Electronic Coolant Control Temperature Sensor
EEC-IV - Electronic Engine Control IV
EFI - Electronic Fuel Injection
EGO - Exhaust Gas Oxygen Sensor
EGR - Exhaust Gas Recirculation
EGR - PE-EGR Pressure External Valve
EGR - PE-EGR Pressure Valve
EGR - SVV-EGR Solenoid Vacuum Valve
EGR - VR-EGR Vacuum Regulator
EGR-VRC - EGR Vacuum Regulator Control
EGR-VRES - EGR Vacuum Reservoir
FPCR - Fuel Pressure Charging Regulator
MAP - Manifold Absolute Pressure Sensor
MAS - Mass Airflow Sensor
PCV - Positive Crankcase Ventilation
TABV - Throttle Air Bypass Valve
TBCPR - Turbocharger Boost Control Pressure Regulator
TPS - Throttle Position Sensor