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Try again in the future to clean it again. Be careful with the engine temperature. It has to be low – cold. A lot of people tried it in the past at 1NR FE and had a lot of difference and not only 15%. My vehicle dropped from 7,5l per 5000km, to 600ml per 5000km.

Let me explain quick the cleaning process @elone • We need the engine cold. Then we turn it on until 1-2 dots of temperature rise • We disconnect the fuses related to injection in order not to inject any fuel to the cylinders (disconnect ignition timing sensor, Hall device and commutator) • We...

Unfortunately due to the war in Ukraine, the factory (xado) is not working and there is limited availability. If you search more (ebay?), maybe you can find a spray. Tubes are the same, but it is difficult for the 1nr fe to use them because of the length of the hole for the sparks.

Hello from Greece. We've made a huge research for the 1 NR FE in order to find a solution the past 6 years. We have writen everything in this forum https://forum.4troxoi.gr/topic/90795/node-90795 Also this guy explains very well the problem. TOYOTA also has a tsb that informs for the problem...