Charade L4-1295cc 1.3L (1989)
Auxiliary Air Valve (Idle Speed): Testing and Inspection
Fig. 74 Testing Auxiliary Air Valve
1.
Disconnect air cleaner hose from throttle body.
2.
Start engine. Ensure that there is air continuity at the auxiliary air valve port under the following conditions:
a. When coolant temperature is below 104°F, block auxiliary air valve port, Fig. 74. Ensure engine speed drops.
b. When coolant temperature is above 146°F for 3 cylinder engines and 158°F for 4 cylinder engines, block auxiliary air valve port and ensure
engine speed does not change.
3.
If auxiliary valve exhibits malfunction, replace throttle body.
