The 3S engine is a family of four-cylinder gasoline engines that was produced by Toyota from 1986 to 2007.
There were several variants of the 3S engine, with displacements ranging from 1.8 to 2.2 litres. These engines were known for their durability, performance, and tunability.
The 3S engine family is no longer in production, but it remains one of the best choices for car lovers who are looking for a durable and powerful engine for their cars.
3S Engine Specs
- It was produced by Toyota from 1986 to 2007
- The 3S engine has an Inline 4-cylinder
- The 3S engine has a Displacement of 1.8L to 2.2L
- The 3S engine has 4 valves per cylinder
- Some of the 3S engines came with Double Overhead Camshafts while others came with Single Overhead Camshaft
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3S Engine Reliability
- Maintenance: Regular oil changes, using quality oil, and following the manufacturer’s maintenance schedule are important for the 3S engine.
- Driving habits: Avoid excessive engine stress by keeping revs within normal limits and allowing the engine to warm up before hard driving.
- Modifications: Extensive modifications, especially on the 3S engine, can put additional strain on the engine and potentially affect reliability.
3S Engine Problems
- Oil Leaks: As these engines age, gaskets and seals can wear out, leading to oil leaks around the valve cover gasket, oil pan gasket, or front crankshaft seal.
- Vacuum Leaks: Cracked vacuum hoses can cause rough idling, hesitation, and reduced power.
- Cooling System Issues: Over time, the thermostat or water pump can malfunction, leading to overheating.