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Geely EC718, EC718RV, EC715, EC715RV. Manual part - 174
Symptoms
Suspected Faulty Items
Relevant Sections
6. Ignition System: Ignition Wires, Spark Plug,
Ignition Coil
Refer to
7. ECM Power Supply Circuit
Refer to
8. Engine Coolant Temperature Sensor
Refer to
9. Electronic Throttle Body
Refer to
10. Acceleration Pedal Position Sensor
Refer to
Backfire, Pinging
Fault Definition: Unburned gases enter
the intake manifold or the exhaust
system, ignited, producing a very loud
cracking sound.
1. ECM Power Supply Circuit
Refer to
2. Fuel Pressure Abnormal
Refer to
3. Fuel Contamination
4. Injector Working Abnormal
5. Air Leakage In Intake System and Crankcase Refer to
in
6. Crankcase Ventilation Valve
7. Knock Sensor (KS) System Ignition Delay Too
Great
Refer to
8. Spark Plug: Thermal value is incorrect, damp,
crack, gap is incorrect, excessive erosion,
excessive carbon residue, contaminated by fuel
Refer to
9. Spark Plug Wire Damage
10. Ignition Coil Damage
11. Coolant Level Too Low, Thermostat
Malfunction
Surge
Fault Definition: When the throttle
opening is stable, the engine power
changes. The vehicle speed changes
while the acceleration pedal position
does not change.
1. ECM Power Supply Circuit
Refer to
2. Air-Conditioning Compressor
Refer
to
3. Heated Oxygen Sensor Abnormal
Refer to
4. Poor Fuel Quality, Fuel Contamination
Refer to
5. Fuel Pressure Abnormal
6. Injector Working Abnormal
7. Mixture Too Rich
Refer to
8. Mixture Too Lean
Engine
Control System JL4G15-D
2-611