FixVault
Home
›
Subaru
›
2005
›
Impreza WRX STi
›
Repair and Diagnosis
›
Engine Performance
›
Ignition System
›
Ignition -- H4DOTC
›
Spark Plug
›
Removal
›
Notes
Spark Plug: Removal: Notes
CAUTION:
All spark plugs installed on an engine, must be of the same heat range.
Spark plug:
NGK: PFR6G