LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Subaru
>>
2004
>>
Outback Base, 4D Sedan
>>
Repair and Diagnosis
>>
Engine Performance
>>
Ignition System
>>
Ignition (H6DO)
>>
Spark Plug
>>
Cleaning
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Spark Plug: Cleaning
CAUTION:
Do not use plug cleaner because spark plugs are platinum-tipped.