Triumph TR7 - The General Closed Loop Feed Back Control System Diagram; Electronic Fuel Injection Closed Loop Feed Back Control System

EMISSION AND EVAPORATIVE LOSS CONTROL SYSTEMS
By usmg oxygen sensor(s) to monitor the eKhausl gases In
this way a feed back closed loop· type of control system can
be Introduced for the fuelln/ecllOn operatIOn
Fig. 20 The general 'closed loop' f.ed back control system
,--I_NFO_OTH_RM_~_~_I_O_N...J~-':f = -- = = --.:-=
I
l
AIR FLOW I
ME"TER I
1
.:!f E.C.U.
~
I
MODIFY I
FUEL IHPtrr I
T
I OXYGEN SENSOR I
I AIR land I FUEL 1 __ .... ' COMBUSTION I •• ~""I EXHAUST GASES I
2173
FIg. 21 ElectroniC fuel injection ·clo.ed loop' f.ed back control system
17