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Geely Emgrand X7. Manual part - 205
(d) Inspect the positive crankcase ventilation valve, ventilation pipe connection is correct or not and leakage. (e) Inspect whether there is any leakage in the intake system. Is there any above mentioned fault?
Step 4
Inspect the spark plug (a) Dismantle the spark plug from the misfire cylinder. (b) Inspect whether the spark plug clearance is too large or too small. Standard Gap: 1.0-1.1 mm (0.039-0.043 in) (c) Inspect the spark plug electrode for erosion and damage. (d) Inspect whether the spark plug and the electrode part skirt is wet or not and Inspect the existence of a serious gasoline leakage. (e) Reinstall the spark plug. The existence of the above faults? Note: Prior to the implementation of this test, the following conditions must be met: (a) Disconnect all fuel injector connectors. (b) Run the engine for no longer than 5s.
Step 5
Inspect whether the spark plug arcing is normal. (a) Test the spark. (b) Dismantle misfire cylinder ignition wires. (c) Disconnect all fuel injector cylinder connectors. (d) Install the spark plug to the ignition wires. (e) Run the engine (the engine running time no longer than 5s) and inspect the arcing. (f) Reconnect all cylinder fuel injector connectors. (g) Install the ignition wires. Is spark plug arcing normal?
No Go to step 9 Yes Yes Refer to 2.10.8.4 Replacement of Spark Plug to No Yes Repair the faulty part. Go to step 17 No 819 |