Maintenance Manual for Chery·Windcloud Marelli EFI System
ignition switch to “OFF”.
Yes Go to next step
2
Check throttle regulating screw, throttle cable and
working conditions of throttle to see if they are
normal.
No
Carry out
necessary
inspection,
repair and
maintenance
Yes Go to next step
3
Check working conditions of idle regulator to see if
they are in good order.
No
Carry out
necessary
inspection,
repair and
maintenance
Yes
Carry out
necessary
inspection and
repair
4
A. Check fuel system pressure to see if it is too low;
B. Check injectors for blockage;
C. Check system exhaust for blockage.
No
Diagnosis
Instruction
Failure: higher idling speed than target value
Step Operation Result Solution
1
Connect scanner and commutator, and then turn
ignition switch to “OFF”.
Go to next step
Yes Go to next step
2
Check throttle regulating screw, throttle cable and
working conditions of throttle to see if they are
normal.
No
Carry out
necessary
inspection,
repair and
maintenance
Yes Go to next step
3
Check working conditions of idle speed regulator to
see if they are normal.
No
Carry out
necessary
inspection,
repair and
maintenance
Yes
Carry out
necessary
inspection and
repair
4
A. Check system for air leakage;
B. Check injectors for leakage;
C. Check fuel system pressure to see if it is too
high.
No
Diagnosis
Instruction
29
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