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 Maintenance of air intake
system 1 Check the air filter is clogged, the intake
pipe is leaking
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 idling condition is about
38kPa
No Maintenance of oil supply
system
Yes Next step 3 Appropriated the sub-cylinder line a
cylinder which is connected to, spark plug,
spark plug electrode distance of engine is
about 5mm, the starting engine, check
whether there is a blue and white high
pressure fire
No Maintenance of the ignition
system
Yes Next step 4 Check the cylinder spark plug, the period of
observation model and gap four
conformance to specification.
No Adjust or replace
Yes Repair or replace the sensor line
5
Pulling off the coolant temperature sensor
connector, start the engine, the engine is
starting to observe
No Next step
Cleaning solar term door and
idle airway
6
Check the fuel situation, observe whether
the fault now just gas caused by.
Next step
Failure to replace
7
Gently down on the accelerator, observe
whether easy to start.
Next step
Replace fuel
8
Check the fuel situation, observe whether
the failure phenomenon was caused due to
gas
Next step
Remove engine mechanical fault
9
Check the engine cylinder pressure of each
engine cylinder pressure, observe whether
there is insufficient
Next step
Next step
10
Check the ignition sequence engine and
ignition timing meets the specifications
Maintenance of the ignition
timing
Diagnostic aid
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Check the X1_1# X1_2# pin ground is
normal
Maintenance of the
corresponding line
3.6. Start normal, but any time idling instability
General fault location:
1. The fuel moisture content;
2. The fuel injector;
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