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

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Emission System Application Chart

Engine Displacement 4.9L (300 cid)
Fuel System Sequential Fuel Injection (SFI)

SYSTEMS AND DEVICES:
AIS Secondary Air Injection (AIR) [1]
CAT Three-Way Catalyst (TWC) [2]
CEC Electronic Engine Controls (EEC-V)
EGR Differential Pressure Feedback Exhaust Gas Recirculation (DPFE)
EVAP Evaporative Emission Controls
FR Fuel Pipe Restrictor
MIL Malfunction Indicator Light
OXY Heated Electronic Gas Oxygen Sensor [3]
PCV Positive Crankcase Ventilation
SPK Distributor Ignition (DI) [4]

REMARKS:
[1]
Managed Thermactor Air -- pump type
[2] Catalyst configuration may vary.
[3] Three HO2S
[4] Thick Film Ignition (TFI-IV)