4.2L, 4.6L, 5.4L and 6.8L Engines 1. Disconnect the negative battery cable. 2. Remove the vacuum hose from the EGR valve. 3. On the 4.6L engine, remove the nut and brake booster bracket. 4. On the 5.4L engine, remove the DPFE sensor retaining nuts and place the sensor to the side to allow access to the EGR tube. 5. Disconnect the EGR valve-to-exhaust manifold tube from the EGR valve. 6. Remove the EGR valve mounting bolts, then separate the valve from the intake manifold. 7. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold. To Install: 8. Install the EGR valve, along with a new gasket, on the manifold, then install and tighten the mounting bolts. 9. Connect the EGR valve-to-exhaust manifold tube to the valve, then tighten the tube nut to 25-35 lbs. (34-47 Nm). 10. Connect the vacuum hose to the EGR valve. 11. On the 5.7L engine, install the DPFE sensor. 12. On the 4.6L engine install the brake booster bracket and the retaining nut. 13. Connect the negative battery cable.
The EGR valve on a 1979 F150 with a 302 is located in the center of the engine. It is close to the firewall.
PCV Valve is located on the Right Valve Cover.
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.
I don't know if it is the same but the EGR valve on my 1977 Ford 302 was underneath the carburetor at the back of a spacer
The Internet.
Take it to a garage.
The EGR valve is located in the center of the engine on a F150 Lariat 5.4 liter. It is near the firewall.
On a straight six carbureted f150, the EGR valve is located beneath the Carburetor. The carburetor sits on a part I call the EGR plate. The EGR valve is attached to this place at the end. The EGR Valve is a round metal piece that kinda looks like a flying saucer. It will be on the left side of the engine. This should help http://www.ford-trucks.com/forums/869124-1985-f150-6-300-a-2.html
Try cleaning the Intake Manifold where the EGR valve is attached.
it is part of the egr valve
You clean or replace it.
might be the EGR VALVE insufficient flow