Chery S11 / Chery QQ. Manual - part 213
Chery QQ Maintenance Manual 372 EFI System
11）Idle is too high (ECU needs self-study again)
Yes Eliminate
malfunction
1
Turn on ignition key.Use diagnostic equipment to
check if malfunction information record exists。
No Next
Yes Adjust
or
replace
2
Check if throttle pedal bracing wire is blocked or
too tight
No Next
Yes Repair
or
replace
3
Check if canistor control valve,fuel pressure
regulator,PVC vacuum pipe and vacuum
power-assisted hose of braking system are good
No Next
Yes Next
4
Step down brake pedal and check if idle is too high
while engine idle running and in neutral.
No 6
Yes Repair
or
replace vacuum
actuator
5
Clamp vacuum power-assisted hose and check if
idle is normal
No Next
Yes Replace
PVC
6
Clamp PVC vacuum hose and check if idle is
normal
No Next
Yes Replace
canistor
control valve
7
Clamp canistor control valve hose and check if idle
is normal
No Next
Yes
Repair or
replace
8
Check if idle actuator is not flexibly or blocked
No
Next
Yes Repair
or
replace
9
Check if intake pipe have leak
No Next
Yes Next
10 Check if sealing washer of injector is good
No Replace
sealing
washer
Yes Replace
ECU
11 Check if MAP and IAT are good
No
Replace sensor
12）Speed of engine is low or switch off while speeding up
Yes Eliminate
malfunction
1 Turn on ignition key.Use diagnostic equipment to
check if malfunction information record exists。
No Next
Yes Next
z2 Check if air filter is through
No Replace
Yes Next
3 Check if speed is narmal at idle
No Next