: Ensure Iridium or Platinum plugs are replaced at the recommended intervals (usually every 100,000 km) to maintain fuel efficiency. Manual & Resource Discovery When searching for a downloadable PDF manual:
The 3SZ-VE is a 1.5-liter, inline-four-cylinder, 16-valve DOHC gasoline engine developed jointly by Toyota and Daihatsu. It was first introduced around 2005 and was primarily produced for Toyota's compact models at plants in China and Indonesia. This engine is typically found in vehicles like the across Asian markets. 3sz-ve Engine Manual Pdf
The 3SZ-VE is largely bulletproof, but it does exhibit a few documented quirks over high mileages: Rough Idling / Engine Misfires : Ensure Iridium or Platinum plugs are replaced