Chery QQ6 Service Manual Page 19
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surface of the O-ring at the upside of the injector where it connects with the fuel distributing
pipe. Be careful not to let engine oil contaminate inside of the injector and the nozzle.
l Place the injector in its bracket vertically along injector bracket, then fix it to the bracket with
retaining clips. Note:
By location mode, the remaining clips for injector fall into axial location remaining clip and ①
axial and radial location remaining clip; misuse should be avoided.
For installation of an axially located in② jector, make sure that the bayonet at middle of the
remaining clip is completely locked into the groove of the injector and the grooves at both sides
of the remaining clip are completely locked into the outskirt flanging of the injector seat.
When instal③ ling an injector that both axial and radial locations are required, use an axial and
radial location remaining clip and place the locating piece of the injector and the locating pin of
the injector seat respectively into the corresponding grooves on the location remaining clip.
If the injector has two grooves, be careful not to place by mistake, refer to the installation site ④
of the original.
l Installation of injector should be done by hand and knocking the injector with such tools as
hammer etc. is prohibited.
l When disassemble/reassemble the fuel injector, the O ring must be replaced. And pay attention
to not damage the sealing surface of the injector.
l Do not pull the support gasket of O-ring out of the injector. When installing, avoid damage to
fuel inlet end, support ring, nozzle plate and electric connector of the injector. If damaged, use
is prohibited.
l After installation of injector, perform leakproofness detection for fuel distributing pipe
assembly. It is acceptable only when no leakage exists.
l The failure part must be disassembled by hand. Remove remaining clip of the injector first, and
then pull out the injector from the injector seat. After disassembly, ensure cleanliness of the
injector seat and avoid contamination.
9.5 Failure effects and judgment method
l Failure effects: Poor idling, poor acceleration, failure to start (starting difficulties) etc.
l Reasons for general failures: failure caused by colloid accumulation inside the injector due to
lack of maintenance.
l Maintenance precautions: (see installation attentions)
l Simple measure method:
(remove the joint) swift the digital multimeter on ohm shift, connect the meter pens to the two pins
of injector. The rated resistance should be 11 - 16Ω¸ when it is 20.℃
Suggestion: regularly wash and analyze the injector using a special washer analyzer for injector.
10. Ignition Coil
10.1 Function of ignition coil:
Primary and secondary circuits are integrated inside the ignition coil; when ECU controls
on-off of current in the primary coil, a high voltage as high as thousands volts will be generated in
the secondary coil, which will then generate spark through ignition cable and spark plug to ignite the
mixed air in the cylinder.
10.2 Working principle
Ignition coil ZS - K2×2 consists of two primary windings, two secondary windings, mandrel, and
- Service Manual for Chery 1
- CONTENTS 2
- Injection System 4
- Bonded With Bonding Agent 6
- 2. Tachogenerator of Engine 8
- 3. Phase Sensor 10
- 4. Water Temperature Sensor 10
- 5. Knock Sensor 12
- 6. Electric Throttle Body 12
- 7. Oxygen Sensor 13
- Main relay 者 87# 15
- 8. Fuel Pump Assembly 16
- 9. Injector 17
- to 87# pin of the 18
- 10. Ignition Coil 19
- Double spark ignition coil 20
- 11. Spark Plug 21
- 87# pin of main relay 23
- 15. Fan Control 25
- 17. Clutch Position Sensor 26
- 18. A/C Control 27
- 2. Failure State 28
- 3. Failure Types 28
- 4. Failure Frequency Counter 28
- 5. Limp Home 29
- 6. Failure Alert 29
- 7. Readout of Failure 29
- 9. Failure Locating 30
- 10. Failure Code Table 30
- Main power cord 34
- Failure Information Records 35
- 11.2 Knock Sensor failure 36
- Ω (20).℃ 44
- 11.12 Ignition Coil Failure 49
- 11.14 Double Brake Switch 51
- Symptom 53
- No Replace ECU 59
- No Replace spark plug 71
- Power off) 72
- 12.18 A/C System Failure 83
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