help locating some things on my '90 740 GL

tislow · Post by **tislow** » 12 Apr 2006, 11:03

Where is the Air Mass Meter? and where is the Fuel Pressure Regulator? If I wanted to check these parts myself or replace them myself ....where would I find them under my hood. and what exactly do they look like.?

wojeepster · Post by **wojeepster** » 12 Apr 2006, 15:53

Look at the accordian looking hose running from the throttle body on the intake manifold to the (you guessed it) air mass meter (black plastic two hose clamps and an electrical connection. To unplug depress metal clip and then you can unplug electrical connection.

fuel pressure regulator looks like a vacuum canister on distributor it is located on the end of the fuel rail that feeds the injectors. It has a short (1 foot)black rubber hose connected to it that runs to the intake manifold. This changes the fuel pressure in response to changing vacuum in the intake manifold.