EGR Air Flow Control Valve
| 1 - REAR OF INTAKE MANIFOLD | 4 - EGR VALVE COOLER |
| 2 - AIR INLET ELBOW | 5 - EGR VALVE |
| 3 - EGR AIR CONTROL VALVE | 6 - ENGINE |
The EGR air flow control valve is a pulse width modulated control valve that is operated by the ECM in line with the EGR flow quantity required to remain inside the emissions target.