Nissan 2005-2009 Armada Fuel Injector 16600-ZH000, eliminates unstable idle.

Nissan Armada fuel injectors 16600-ZH000 (2005-2009) directly replace originals 16600-ZH000 and 16600ZH00A with no modification. Precisely control fuel injection to ensure proper air-fuel ratio and combustion efficiency; designed for 2005-2009 Armada and platform V8 models. After installation, resolves idle instability, acceleration hesitation, and reduces fuel consumption. If idle needle wobbles, cold start is difficult, or exhaust emits black smoke, injectors aging; replace to restore engine performance.