gio Vyper 4WD 1100cc 4 seater XY1100UEL, Руководство по обслуживанию

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11. EFI SYSTEM OF SQR 472ENGINE
11-78
3.12. Accelerating the slow response
General fault location:
1. The fuel moisture content;
2. The intake pressure sensor and solar term door position sensor;
3. The spark plug;
4. Solar term door body and idle bypass airway;
5. The inlet;
6. Idle speed regulator;
7. The fuel injector;
8. The ignition timing;
9. The exhaust pipe.
The general procedure of diagnosis:
Serial
number
Operation steps Test
results Next step
Yes Maintenance of air intake system 1 Check the air filter is clogged
No Next step
Yes Next step 2 Connect the fuel pressure gauge
(access point for the fuel
distribution pipe assembly inlet pipe
end), start the engine, check the fuel
pressure in the idle condition is
about 380kPa
No Maintenance of oil supply system
Yes Next step 3 Check the cylinder spark plug,
observe its model and gap meets the
specification
No Adjust or replace
Yes Cleaning of parts 4 Remove the idle adjuster, check the
solar term door body, idle speed
regulator and idling bypass airway
carbon deposition.
No Next step
Yes Next step
5
Check the intake pressure sensor,
solar term door position sensor and
think you are normal.
No Repair or replace the sensor line
Yes Failure to replace
6
Remove the injector, injector with
special cleaning analyzer check
whether the injector is there is a leak
or blockage
No Next step
Yes Failure to replace
7
Check the fuel situation, in order to
observe the phenomena of four
since just after refueling cause
No Next step
Yes Next step
8
Check the ignition sequence engine
and ignition timing meets the
specifications
No Maintenance of the ignition timing
Yes Next step
9
Check whether the smooth air
exhaust pipe
No Repair or replace the exhaust pipe
Yes Diagnostic aid
10
Check the X1_1# X1_2# pin on the
iron is normal
No Maintenance of the corresponding line