Suzuki DF200 Service Manual page 103

3-42 ENGINE CONTROL SYSTEM
NOTE 1:
These conditions will be caused by IAC valve failure or incorrect
O-ring
by-pass air screw adjustment. If IAC valve is always closed or
by-pass air is too low, the ECM controls the IAC valve duty to
Passage
increase to maintain the idling/trolling speed specified.
NOTE 2:
MAP sensor
This condition will be caused by clogged pressure detect pas-
sage in collector assembly.