CFMOTO
05-230
2 Check if air control valve is blocked
YES Clean or replace
NO Next step
3 Check if spark plug is in good condition (including its type
and clearance)
YES Next step
NO Adjust or replace
4
Check if there are carbon deposits inside throttle bodyand
air control valve
YES Clean
NO Next step
5 Disassemble injector and use special tool to checkif there
is leakage or blocked or wrong fuel flow
YES Replace
NO Next step
6
Check whether the failure happens right after fillingfuel
YES Change fuel
NO Next step
7
Check if cylinder pressure is sufficient
YES Eliminate mechanical
failures
NO Next step
8 Check if ignition timing
YES Next step
NO Repair ignition timing
9
Connect PDA and switch on ignition to check ECU-
G1,F1,P4, and O4 pin if it is powered normally; Check
ECU-Q2,H3 and C3 pin if it is connected to ground
normally.
YES Use PDA to check
NO
Repair related
circuit
Item
Procedures
Results
Next
1
Check if air filter is blocked or air intake pipe leaks
YES
Repair air intake
system
NO
Next step
2 Check if spark plug is in good condition (including
its type and clearance)
YES
Next step
NO
Adjust or replace
3 Check if there are carbon deposits inside throttle
body and air control valve
YES
Clean
NO
Next step
4 Disconnect water temp. sensor connector and start
engine to check idle speed is stable
YES
Repair circuit or
replace sensor
NO
Next step
5 Disassemble injector and use special tool to check
if there is leakage or blocked or wrong fuel flow
YES
Replace
NO
Next step
(7) Normal starting, but unstable idle speed during engine warming
General failure part: 1. Water in fuel tank 2. Injector 3. Spark plug 4.Throttle body and
by-pass 5. Air intake pipe 6. Air control valve 7. Mechanical part of engine
General diagnostic procedures:
Summary of Contents for CF1000ATR 2018
Page 1: ...CFMOTO SERVICE MANUAL CF1000AU CF1000ATR CFORCE 1000 ...
Page 81: ...CFMOTO 05 6 5 1 4 EIN Location EIN Location Engine left side Engine right side 050601 050602 ...
Page 351: ...06 Vehicle chassis 06 41 6 7 3 Front and rear CV shaft disassemble view 064101 064102 ...
Page 363: ...Appendix A ...
Page 364: ...Appendix B ...
Page 365: ...Appendix C ...
