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Geely Emgrand X7. Manual part - 56
4. Diagnostic Steps: Note: Before carrying out this diagnosis step, observe the data list on fault diagnosis tester and
Step 1 Initial Inspection (a) Inspect the fuel injector harness connector for damage, poor connection, aging or signs of loosening Step 2 Measure the fuel injector resistance.
(a) Disconnect the fuel injector wiring harness connector EM15. (b) Measure resistance between the two fuel injector terminals. Standard Resistance 11.4-12.6Ω @ 20 (68 ) ℃ ℉
(c) Connect the fuel injector harness connector EM15. 喷油器2线束连接器 EM15 B A NL02-0046c
(a) Rotated ignition switch to OFF position . (b) Disconnect cylinder No.2 fuel injector wiring harness connector EM15. (c) Rotated ignition switch to ON position . (d) Measure voltage between cylinder No.2 fuel injector wiring harness connector EM15 No.A terminal and a reliable ground. Standard Voltage: 11-14V (e) Connect cylinder No.2 fuel injector wiring harness connector EM15.
Step 4 Inspect the fuel injector control circuit. (a) Rotated ignition switch to OFF position . 3 Measure Fuel Injectors Working power supply No Go to step 5 Yes No Refer to 2.2.8.2 “Replacement of Fuel Yes Next Oil injecter 2harness connectorEM15 223 |