Chery QQ6 Service Manual download pdf (Page 78)

Yes Next step 12 Close the fuel manometer valve. Re-engage the

ignition switch to let the fuel pump run for a

period of time, and then check if fuel pressure

can be built up.

No 14

Yes Replace the pressure

regulator

13 Open the valve of fuel gauge and clamp the oil

return pipe by oil return baffle so that the oil can

not return. Check if the oil pressure occurs

immediately.

No Repair and replace

fuel injector and oil

pipe

Yes Repair or replace oil

intake pipe

14 Check if there is leaking or jam in oil intake

pipe.

No Replace oil pump

Yes Repair or replace oil

return pipe

15 Check if the oil return pipe is bended or

jammed.

No Replace the pressure

regulator

Yes Next step 16 Check if leak and blocking exist in air intake

system and if air flow meter works normally.

No Replace the sensor

Yes Next step 17

Check if spark plug, ignition cable and ignition

coil are normal.

No Replace or adjust

Yes Check A/C system 18 Check if it results from air conditioning system.

No Replace ECU

Note: Poor acceleration of system relates to many factors, such as problem in mechanical part of the

engine itself, cylinder pressure and carbon deposit on valve etc. In addition, it is also in connection with

other systems, such as power steering system and A/C system.

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Chery QQ6 Service Manual Page 78