2001-2006 Lexus LS430 3UZ-FE 4.3 LITER VVT-i, spark plug replacement tips

A DIY auto mechanic describes must-have tips for replacing spark plugs on a 2006, 2005, 2004, 2003, 2002, and 2001 Lexus LS 430s with a 3UZ-FE 4.3L engine. The most common signs of bad spark plugs include start-up trouble, rough idling, sluggish acceleration, declining fuel economy, engine misfiring, and VSC or knock sensor check engine light. Pro Tip: 3UZ-FE engines have the Variable Valve Timing-intelligent or VVT-i system which will trigger a vehicle stability control (traction control) check engine light if excessive engine knock is detected. Supply list: 2. Permatex 81150 Dielectric Tune-Up Grease.33 oz Tube 3. Option -Set of 8 Ignition Coil Pack UF230 and Iridium Spark Plug Compatible with Lexus LS430 Tools: 1. 3/8” rachet 2. 10 “extension bar 3. 10 mm and 12 mm sockets 4. 3/8” swivel socket extension 5. 13/16” spark plug socket 6. Magnetic tray to keep track of bolts 7. Pick and Hook Set 8. Torque Wrench with Magnetic Spark Plug Socket 9. Heavy Duty Light Tester with Voltmeter (Test Coil Packs) PPE 1. Gloves 2. Safety glasses 3. Long sleeve shirt Shop My Gear is Coming Soon! Lexus LS 430 (2000–2006), Lexus GS 430 (2000–2007), Lexus SC 430/Toyota Soarer (2001–2010), Toyota Crown Majesta (2004–2013), Hongqi HQ430 (2006–2010), Super GT, GT500 Race Car, Lexus SC 430 GT500 Race Car (2006–2008)