Engine Overview and Common Failures
The weight of the 2JZ-GE engine according to the catalog is 230 kg. The engine number 2JZ-GE is located at the junction of the block and the oil pan. The motor design does not have weak points, but it consumes oil at high mileage. The usual cause is wear of the oil scraper rings or ring sticking. The VVT-i system has a low lifespan. The 1997 update brought the engine not only a more reliable ignition system but also a temperamental VVT-i variable valve timing system, which often fails after only 100-150 thousand km. Electrical glitches. The power units in the JZ lineup have an impressive number of electronic sensors that periodically fail. Search for a complete list of their malfunctions here. Minor breakdowns. There aren't many minor problems here: the low lifespan of the water pump, the unreliable belt tensioner pulley, and the ignition system, which is very sensitive to water. This engine also tends to flood spark plugs, and the valves periodically require adjustment.