Geely EC718 2009 Workshop Manual page 694

2-612 Control System JL4G15-D
Symptoms
Power Shortage
Fault Definition: The engine power
output is lower than expected. Half-
press the acceleration pedal, almost no
acceleration or no acceleration at all.
Engine Does Not Turn
EC718/EC718RV EC715/EC715RV 10/2009
Suspected Faulty Items
9. Intelligent Variable Valve Timing System
10. Vacuum Hose Cracking or Kink, The
Connection Unreliable
11. Spark Plug: Thermal value is incorrect,
damp, crack, gap is incorrect, excessive
erosion, excessive
contaminated by fuel
12. Spark Plug Wire Damage
13. Ignition Coil Damage
1. ECM Power Supply Circuit
2. Air Filter Blocked
3. Poor Fuel Quality, Fuel Contamination
4. Fuel Pressure Abnormal
5. Injector Working Abnormal
6. Mixture Too Rich
7. Mixture Too Lean
8. Knock Sensor (KS) system ignition delay is
too large
9. Spark Plug: Thermal value is incorrect, damp,
crack, gap is incorrect, excessive erosion,
excessive carbon residue, contaminated by fuel
10. Spark Plug Wire Damage
11. Ignition Coil Damage
12. Crankshaft Position Sensor
13. Too Much Oil In Combustion Chamber or
Valve Seals Leakage
14. Cylinder compression pressure is incorrect
15. Valve Catching or Leak, Broken Valve
Spring, Valve Timing Is Incorrect
16. Too Much Carbon Residue In Combustion
Chamber
17. Intelligent Variable Valve Timing System
18. Exhaust Blocked: Three-Way Catalytic
Converter Blocked, Muffler Internal Damage
1. Battery
Refer
JL4G18-Din2.6.7
Information and Procedures
Refer
carbon residue,
Din2.20.4 Diagnostic Information and
Procedures
Refer to
Refer
Din2.13.1 Diagnostic Information and
Procedures
Refer to
P1167 P1171 P2187 P2188
Refer
Din2.20.4 Diagnostic Information and
Procedures
Refer to
Refer
JL4G18-Din2.6.7
Information and Procedures
Refer
Din2.7.5 Diagnostic Information and
Procedures
Refer
System JL4G18-Din2.11.7.4 Engine
Engine
Relevant Sections
to2.6 Engine Mechanical System
Diagnostic
to2.20 Ignition System JL4G15-
2.12.7.43 DTC P0562 P0563
-
to2.13 Fuel System JL4G15-
2.12.7.26 DTC P0171 P0172
to2.20 Ignition System JL4G15-
2.12.7.35 DTC P0335 P0336
to2.6 Engine Mechanical System
Diagnostic
to2.7 Exhaust System JL4G18-
to2.11 Starting / Charging