Mazda 626 1981 - 04-17

4
Vacuum diaphra
gm
Fig. 4
-66
•
4:
17
Hot
air
4-K.
INTAKE AIR TEMPERATURE
CO
NTROL
SYSTEM
To
determine whether the system is functioning
pro-
perly, proceed as follows:
1.
Open
the bonnet.
2.
Check the valves and linkage for sticking
or
wear.
3. Check the valve
at
the fresh
air
side closes when
the engine
is
cold.
4.
Close the bonnet and warm up the engine
suffi-
ciently.
5.
Open the bonnet and make sure the
valve
at the
fresh
air side
is
open.
Thermo
sens
or
Air
cleaner
Carbtxetor
Exhaust
man
ifo
ld
Intake
manifold
SPECIAL TOOLS
49
Oll8
870A
Driver, power valve