Lifan 620 - DTC: P0506, Idle Speed too Low; DTC: P0507, Idle Speed too High

25. DTC: P0506, Idle Speed Too Low (see Table 1-38)
Table 1-38
S/N Operation Test Results Actions
1
Connect the diagnostic instrument and adapter, and turn the
ignition switch to OFF.
Next step
Yes Next step
2
Check the throttle adjusting bolt, accelerator cable, throttle
for normal operation.
No
Necessary check, repair
and maintenance
Yes Next step
3 Check the idle speed regulator for normal operation.
No
Necessary check, repair
and maintenance
Yes
Necessary check and
repair
4
A. Check if the pressure of the fuel supply system is too low;
B. Check if the fuel injector is blocked;
C. Check if the exhaust system is blocked.
No Diagnosis help
26. DTC: P0507, Idle Speed Too High (see Table 1-39)
Table 1-39
S/N Operation Test Results Actions
1
Connect the diagnostic instrument and adapter, and turn the
ignition switch to OFF.
Next step
Yes Next step
2
Check the throttle adjusting bolt, accelerator cable, throttle
for normal operation.
No
Necessary check, repair
and maintenance
Yes Next step
3 Check the idle speed regulator for normal operation.
No
Necessary check, repair
and maintenance
Yes
Necessary check and
repair
4
A. Check the system for leakage;
B. Check the fuel injector for leakage;
C. Check if the pressure of the fuel supply system is too high.
No Diagnosis help
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