Choke Breaker (Cb) System - Toyota 4-Runner 1985 Repair Manual

EMISSION CONTROL SYSTEMS (CARB.) - Auxiliary Systems EC-57
3. Choke Breaker (CB) System
A
0,3075
Choke Valve
CB
Jet
oed. and Canada
~
Calif.
EC1062
EC3536
This system slightly opens the choke valve to prevent a too rich mixture after firing when the choke is closed.
EC0390
INSPECTION OF CB SYSTEM
CHECK CHOKE LINKAGE AND DIAPHRAGM WITH COLD
ENGINE
(a) While holding the throttle valve slightly open, push
the choke valve closed, and hold it closed as you
release the throttle valve.
(b) Disconnect the vacuum hose between the jet and
vacuum pipe.
(c) Apply vacuum to the jet and check that the choke
valve slightly opens.