Air flow meter?
If its the MAP sensor youre talking about, there's a resistor in the box that detects the temperature of the air flow, but I dont think it needs any cleaning...
Does anyone know whether the extractors for the VQ35DE can fit the VQ25DD of the 250GT? Hunting around for an exhaust system for my car, and so far the easiest option is to use a cat-back exhaust for the 350Z.