Duruxx DRX2 - TROUBLESHOOTING GUIDE

75
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSES WHAT TO DO
1
a) Starting
motor
doesn’t work
Weak battery or loose
connections.
Charge it or connect it well
Circuit disconnection
Repair
Starting motor is defective
Repair or replace
b) Spark
too weak/no
spark
Ignition coil is defective
Replace
The spark plug burnt or
insulator damage
Replace
The spark plug
electrode
/clearance is
improper
P
urge accumulated carbon
or Adjust clearance
Coil wire is defective or
disconnection
Replace or adjust
Ignition timing is not right
adjust
c) Damage
fuel supply
system
Fuel pump doesn’t
working
Check plug or replace
Plugged/worn oil pipe
purge
Plugged oil filter
Replace
combination gas too thick
or thin
Check intake pressure/plug
of air throttle senor, or
replace senor
Cylinder flood
looseRemove spark plug and
pluck spark loop charge,
release the oil when start the
vehicle
d)
Insufficient
cylinder
pressure
Cylinder gasket is
defective
Replace
improper valve clearance
Adjust
Valve and valve seat is not
sealed well
Repair
The base of intake pipe
leakage
Repair
Piston ring/cylinder port
wear off badly
Replace
Insufficient cylinder
pressure
As 1 (d)