Engine bay firewall drivers side, black connector over it just under the brake booster
On the throttle body
on top of the spark plugs in the intake manifold.
The EGR valve is located in the center of the engine on a F150 Lariat 5.4 liter. It is near the firewall.
It's located on the side of the starter.
Front drivers side of engine.
Either a 4.9 liter/300 CID inline six, a 5.0 liter/302 CID V8, or a 5.8 liter/351 CID V8.
Need more info. Which valve are you referring too?
a/c compresser
4.2 liter V6 , 4.6 liter V8 , or 5.4 liter V8
it's on the intake manifold.
The EGR valve, on a 2004 Ford F150 5.4 liter engine, is located on the top of the engine near the back. The valve is difficult to identify without prior mechanical knowledge.
You could have the 4.9 liter ( 300 cubic inch ) straight 6 cylinder or the 5.0 liter ( 302 cubic inch ) or the 5.8 liter ( 351 cubic inch ) V8