Fi System Troubleshooting; Customer Complaint Analysis - HYOSUNG MS3 250 Sercie Manual

FI SYSTEM TROUBLESHOOTING

CUSTOMER COMPLAINT ANALYSIS

Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this
purpose, use of such an inspection form will facilitate collecting information to the point required for proper analysis
and diagnosis.
▣ ▣ EXAMPLE : CUSTOMER PROBLEM INSPECTION FORM
User name :
Date of issue :
"FI" Check lamp
Malfunction display / code
(LCD)
�
Difficult Starting
�
No cranking
�
No initial combustion
� No combustion
�
Poor starting at
(� cold � warm
�
Other
� Poor Idling
�
Poor fast Idle
�
Abnormal idling speed
�
(� High
�
Unstable
� Hunting ( rpm. to
�
Other
�
OTHERS :
Model :
Date Reg.
� Always ON
� No code �
PROBLEM SYMPTOMS
� always)
Low) ( rpm)
rpm)
VIN :
Date of problem :
� Sometimes ON �
Malfunction code (
�
Poor Driveability
�
Hesitation on acceleration
� Back fire / �
� Lack of power
�
Surging
� Abnormal knocking
�
Engine rpm jumps briefly
�
Other
� Engine Stall when
�
Immediately after start
�
Throttle valve is opened
�
Throttle valve is closed
�
Load is applied
� Other
FI SYSTEM DIAGNOSIS 4-12
Mileage :
Always OFF � Good condition
)
After fire