Page 2671 - Foton Workshop Manual - Sauvana

DIAGNOSIS-ENGINE CONTROL SYSTEM 62-619

12. Check the motor machinery

(a). Use an endoscope to observe the in-cylinder condition.
(b). Observe and reflect the voltage changes.
(c). Dismantle and repair the motor internal fault:clean the carbon or disassemble
and check the motor cylinder cover. Check the valve, intake manifold has carbon 62
deposition. Such as: the gap between the piston ring and the cylinder is too tightly
loosed, cylinder pad leaks, valve tube loose, valve does not close well, and valve
has carbon deposition.

Is the result normal?
Yes> To step 13.
No> Repair the internal machinery fault of the motor.

13. Replace ECU

(a). Replace ECU。
(b). Check the data flow of the engine, and make sure the engine phenomenon does not
exist, the system is normal.

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