Closed loop carburetor air-fuel ratio control apparatus
Closed loop combustion pressure control
Closed loop control system equipped with circuitry for temporari
Closed loop control system for hydrogen fuelled engine
Closed loop exhaust gas recirculation control system
Closed loop exhaust gas recirculation system
Closed loop fast idle control system
Closed loop fuel control in accordance with sensed engine operat
Closed loop fuel control system having variable control authorit
Closed loop fuel control with sample-hold operative in response
Closed loop mixture control system using a two-barrel carburetor
Closed loop mixture control system with a voltage offset circuit
Closed loop programmable EGR with coolant temperature sensitivit
Closed loop system equipped with a device for producing a refere
Closed-loop air-fuel mixture control apparatus for internal comb
Closed-loop mixture control system for an internal combustion en
Closed-loop mixture control system for an internal combustion en
Closed-loop mixture control system for internal combustion engi
Cold start fuel enrichment system
Cold start system