2020年11月15日 · In Layman’s terms, the N249 is a valve solenoid that is connected to the intake vacuum source to the back of the diverter valve (DV) and it controls the boost signal to the DV …

2008年4月1日 · On AWD/AWW/AWP engines the N249 valve has three connections : One going to the DV, one to the intake manifold for reference, and one to the vacuum reservoir (And the …

2005年4月8日 · PROs: By removing N249 valve, you can prevent this bad habit of the ECU, and by removing N249 valve, you are removing an approximately 2mm narrow bottle neck …

2004年3月2日 · The N249 valve is a solenoid, and is a different piece alltogether,.....but it is connected to the DV via a vac./boost hose. The DV and N249 are two different parts, on …

2011年5月25日 · The N249 valve controls the opening of the diverter valves under certain part throttle conditions where the ECU thinks the intake track requires recirculation.

2013年12月27日 · N249 is there to prevent developing too much pressure difference (causing jerkyness). If the tune (r) is aware of the removed solenoid, may modify the part throttle N75 …

2012年5月14日 · N249 = Diverter Valve (solenoid) At idle, this opens to recirculate compressed air back into turbo to prevent build-up and surge (between shifts). N75 = Wastegate (solenoid) …

Both Pierburg and genuine OEM MKIV Jetta 1.8T N249 Diverter Valve Control Solenoids are available from ECS - eliminate unnecessary pressure loss and check engine lights with this …

The N249 solenoid valve, located in the vacuum system, allows the diverter valve to open when commanded by the PCM. When this valve fails it can cause issues such as engine surging, …

2020年4月19日 · The N249 valve will open the DV when cruising when the ECU asks for reduced boost for better fuel efficiancy, it will also open the DV valve quicker on gear changes or …