Dechoke Control System Description; Dechoke Control System Operation - Mazda 121 Workshop Manual

DECHOKE CONTBOL SYSTEM
tu'rJis O"C tiz"n or uelow. This allows the spark plugs to dry and purges excess fuel frorn the cylinders
DECHOKE CONTROL SYSTEM
OESCRIPTION
iJtacifitate startinq tne engine it the spark plugs become fouled, such as when the engine is flooded, fuel
injection rs cut it th; thronle valve is held wide open whi'e cranking the engine if the engine coolant tempera
SYSTEM OPERATION
1. Ve4fu that the enqrne coolant temperaiure is below ooc (32oF)
2. Verii that the enaine will not slart when cranked at normal speed with the throttle valve fully
3. lf the engine starta, inspect the throttle sensor. (Reier to page F-122 ) and the ECU terminal 1U
(Reler to page F-116.)
F-l06
open.
voltage.
CFANK ANGIE SENSOE
THFIOTTLE SENSOF
WATEFT THEFMOSENSOR
INJECTOF
DEIEFMI.
NATION
cur