2026-09-15
Lexus RC 200t/300h/350 Spark Plug Replacement Malaysia
RC 200t (8AR-FTS, 4-cyl): 4 iridium plugs, replace every 100,000 km. RC 350 (2GR-FSE, V6): 6 iridium plugs. RC F (2UR-GSE, V8): 8 plugs. Wrong plugs cause misfires that damage catalysts and oxygen sensors.

RC Spark Plug Specs
- RC 200t 8AR-FTS 2.0T: NGK ILZKR7B-11 iridium — 4 plugs — every 60,000 km
- RC 300/350 2GR-FKS 3.5L V6: NGK ILFR6B iridium — 6 plugs — every 60,000 km
- Sports use: inspect plugs at 40,000 km for carbon fouling
