Sym MAXSYM 400i Service Manual page 77

4. Fuel Injection System
Idle flameout diagnosis
Idle flameout
1. Link diagnosis tool to
view EFI fault content
2. In accordance with
Troubleshooting
procedures on
troubleshooting
Gasoline whether
enough?
Whether loose battery
connecter?
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To this chapter contents
Throttle line is not too
jammed to revert to full
closure?
Idle CO value is set beyond
the scope of (1.5% ~
2.5%)?
Throttle body whether
coke serious?
Idle Air Control Valve
Actuation whether or
failure?
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.