Subaru Legacy BN/BS (2015-2019) Service Manual: Removal
Spark plug: Refer to “SPECIFICATION” for spark plug. General Description > SPECIFICATION 1. RH SIDE 1. Remove the collector cover. (1) Carefully pull up the rear of collector cover at two positions (A). (2) Carefully pull up the front of collector cover at two positions (B) while moving it forward.
2. Disconnect the ground terminal from battery sensor. NOTE 3. Remove the air cleaner case. Air Cleaner Case > REMOVAL 4. Remove the engine harness stay (A). 5. Disconnect the connector (B) from ignition coil. 6. Remove the ignition coil. NOTE: Turn the #5 ignition coil to remove it.
7. Remove the spark plug with a spark plug socket.
2. LH SIDE 1. Remove the collector cover. (1) Carefully pull up the rear of collector cover at two positions (A). (2) Carefully pull up the front of collector cover at two positions (B) while moving it forward.
2. Remove the battery. Battery > REMOVAL 3. Remove the engine harness stay (A). 4. Disconnect the connector (B) from ignition coil. 5. Remove the ignition coil. NOTE: Turn the #6 ignition coil to remove it.
6. Remove the spark plug with a spark plug socket.
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Spark plug
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Inspection
1. Check the spark plug for abnormalities. If defective, replace the spark plug.(A)Terminal damage(B)Crack or damage in insulator(C)Damaged gasket2. Check the spark plug electrode and condition of the ...
Other materials:
Dtc p013b o2 sensor slow response - lean to rich bank 1 sensor 2
NOTE:For the diagnostic procedure, refer to DTC P013A. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P013A O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 21. OUTLINE OF DIAGNOSISDetect the slow response of lean > rich for rear oxygen sensor output.After the deceleration fuel c ...
