1 Start engine.
And wait until the engine warmed up about 5 - 6 munites..
2 Stop the engine.
3 Remove (=displace) air cleaner.
4 Remove (=displace) the fuel hose from the engine, then start engine again.
Run engine until all remaining fuel fully consumed.
5 Inject whole contents of TEC from intake manifold while running starter-motor.  
Warning-1 : Don't use for diesel-engines assembled on Corrola, Sprinter and Calina made by Toyota (Toyota 1C engine, shown a photo).
Warning-2 : In case using for diesel engine, it is necessary to inject TEC while running engine to protect "water-hammer problem" caused by smaller displacements. 
6 Wait about 5 - 10 munites until fully activated.  While waiting, reset the removed hose to the original position.
7 Start an engine and idle until smokes disappear.
8 After idling settles down, adjust idle screws for normal idle RPM if necessary.
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