Page 2667 - Foton Workshop Manual - Sauvana

DIAGNOSIS-ENGINE CONTROL SYSTEM 62-615

Is the result normal?
Yes> To step 12.
No> To step 11.

11. Check the engine valve timing
62
(a). Check whether the engine timing gear mark is aligned, damaged or not, the belt is
loose, detaching or not.

Is the result normal?
Yes> To step 12.
No> Perform the alignment operation of the timing belt or change the timing belt.

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
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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