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

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11. EFI SYSTEM OF SQR 472ENGINE
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4. Solar term door body and idle bypass airway;
5. The inlet;
6. Idle speed regulator;
7. The engine mechanical part.
The general procedure of diagnosis:
Serial
number
Operation steps Test
results Next step
Yes Check the intake system 1 Check the air filter is clogged, the intake
pipe is leaking
No Next step
Yes Next step 2 Check whether the card idle speed regulator
No Adjust or replace
Yes Cleaning of parts 3 Check the cylinder spark plug, observe its
model and gap meets the specifications
No Next step
Yes Trim lines or replacement of the
sensor 4 Check the solar term door body and idle
speed organ exists the phenomenon of
carbon deposition
No Next step
Yes Failure to replace
5
Remove the injector, injector with special
cleaning analyzer to check whether the
injector is there is a leak, plugging or flow
ultra difference phenomenon
No Next step
Yes Replace fuel
6
Check the fuel situation, observe whether
the failure phenomenon was caused due to
gas
No Next step
Yes Remove engine mechanical fault
7
Check the engine cylinder pressure of each
engine cylinder pressure, observe whether
there are differences in the larger
No Next step
Yes Next step
8
Compliance with the specification when
ignition ignition sequence checking engine.
No Maintenance of the ignition
timing
Yes Diagnostic aid
9
Check the X1_1# X1_1# pin on the iron is
normal
No Maintenance of the
corresponding line
3.8. Start, warm-up after idling instability
General fault location:
1. The fuel moisture content;
2. The coolant temperature sensor;
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