Sym HD2 125 Service Manual page 99

5. Fuel Injection System
CO value revised anomaly
O Sensor equipped with the system, in principle, not adjusted CO value, such as CO value deviated from the
2
normal range, check O Sensor and other agencies anomaly.
2
Idle flameout
Link diagnosis tool to view EFI fault
content, it's Idle CO value amend
anomalies
Gasoline whether enough?
Whether loose battery connecter?
Voltage is adequacy?
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To this chapter contents
Throttle line is not too jammed to
revert to full closure?
Start engine and warm-to 70 º C ~
95 º C, confirmed engine speed, idle
control valve and fuel injection
timing, oxygen sensor is abnormal?
Idle CO value is set beyond the
scope of (1.5% ~ 2.5%)?
Idle functioning of 3 ~ 5 minutes, to
confirm the engine is running
normally after engine flameout,
eliminating fault code operations?
EFi system more relevant
institutions, each recognized by the
detection, if still unable to rule out
the idling flameout problem, it is
recommended that engine checks
whether there are other traditional
institutions abnormal.
Connect with the
diagnosis tool, into to
view data steam
screen.