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

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11. EFI SYSTEM OF SQR 472ENGINE
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The general procedure of diagnosis:
Serial
number Operation steps Test
results Next step
Yes Next step 1 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 idling condition is about
380kPa
No Maintenance supply coefficient
Yes Next step 2 Appropriated the sub-cylinder line a
cylinder which is connected to, spark plug,
spark plug electrode distance engine body
around 5mm, start the engine, check
whether there is a blue and white high
pressure fire
No Maintenance of the ignition
system
Yes Repair or replace the sensor line 3 Pulling off the coolant temperature sensor
connector, start the engine, when the engine
is started successfully observed. (a 300 ohm
resistor in series or in the coolant
temperature sensor connector to replace
coolant sensor, observation of the engine is
successful start)
No Next step
Yes Repair or replace 4 Check the fuel pressure regulator vacuum
tube whether there is loose or leakage
phenomenon.
No Next step
Yes Replace fuel
5
Check the fuel situation, observe whether
the failure phenomenon was caused due to
gas.
No Next step
Yes Diagnostic aid
6
Check the X1_1# X1_2# pin on the iron is
normal.
No Maintenance of the
corresponding line
3.4. Cold vehicle starting difficulty
General fault location:
1. The fuel moisture content;
2. The fuel pump;
3. The coolant temperature sensor;
4. The fuel injector;
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