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Exact Parts you need to do a successful 1zz throttle body swap on any vehicle with 1NZ-FE engine

1ZZ Throttle Body Part# 22030-37010 (Get either OEM Denso or Aisin)

2AZ Throttle Body Part# 22030-0H030 (Get the 3 pipe one and get either OEM or Aisin)

1ZZ Fuel Injector 255cc Part# 23250-0D050 (Get OEM Denso)

Coolant Hose Part# 16264-21070
if you have the plastic filler neck you'll need this Hose to replace the shorter Hose, if you running an aluminum filler neck like I am you don't need this just bypass the throttle body coolant Hose like I describe in the video

Make sure you disconnect your battery BEFORE you start your work.

The whole job may take 30 minutes to 1 hour with basic hand tools during that time your ECU will reset. After you're done and have everything hooked back up, then reconnect the battery and just let the car idle REMEMBER car while pulse rev between 1k-3k rpm for a minute doesn't mean anything wrong it the ECU learning the new throttle body and let the car continue running for 10 minutes at the least, I know 10 minutes seems like a long time but it's worth it.

KEEP IN MIND:
throttle body will feel like it's stuck open but it's just more air entering the engine and while cruising when you let off the gas rpm will drop quickly about 500rpm also it nothing wrong it or worry about it's rare and don't happen often

CONS:
HIGH COLD START IDLE BETWEEN 2500-3K RPM BUT ONLY LAST 15-30 SECONDS IT'LL GRADUALLY DROP TO NORMAL IDLE

vehicles with the 1NZ-FE engine such as the following:

Toyota Vios/Belta
Toyota Yaris/Echo
Scion xA/ist
Scion xB (1st generation)/Toyota bB (1st generation)
Toyota Raum
Toyota Porte
Toyota Platz
Toyota Ist
Toyota Auris
Toyota Fun Cargo
Toyota Premio
Toyota Allion
Toyota Sienta
Toyota Probox
Toyota Ractis
Toyota Corolla (Axio/Fielder, RunX, Allex)

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