4age Intake Air Control Valve (IAC) idle device. A simple video how it functions, how to test it.

20v 4AGE Intake upgrades - Trumpets / velocity stacks - dyno tested

How does a fuel pressure regulator work? Adjusting a fuel pressure regulator. 4age regulator.

4age Toyota IAC idle speed device explained in a simple way.

2007-2013 Toyota Corolla How to remove and inspect the Vacuum Switching Valve Βαλβίδα Εκκένωσης

New DIY intake for AE86 4age 16v

Installing ITB filter 4AGE Blacktop trumpets

4AGE 20V High Idle Problem

How to replace the oxygen sensor on your 4AGE

Engine troubleshooting - what was wrong with my engine

Toyota 4AGE Engine Throttle Body Service (2/3) : Cleaning the ISCV Idle Speed Control Valve

4A-GE Idle Issues Guide

AE86 IACV block off plate install. Fixing high idle problems

Toyota 4AGE Engine Throttle Body Service (3/3) : Reassembly, tuning the TPS Sensor

Искровой розжиг печи ЗАЗ и другой автотюнинг СССР.

FULLY WORKED 4age/7age Build in 5min

😲 3-цилиндровый КИТАЙСКИЙ МОТОР УМЕР дважды – ВСКРЫТИЕ показало…

Жгут проводов двигателя Ae101 4age Silvertop 20 В

Toyota Corolla 7afe Idle Air Control Valve, Old vs After Market vs New OEM

4AGE 20v Blacktop — подарите ему новую жизнь!

Revving Through History: The Story of Toyota's 4AGE Engine