2005 Ford Expedition "pressure" Questions

I have a Ford Expedition 1998 5.4 engine ... when starting the engine oil pressure light goes to a minimum ... I changed the oil pressure sensor, but obviously this is just for the lamp, where the sec

what is the function of the DPFE in a 2003 ford expedition? Delta Pressure Feedback of EGR (or DPFE) is the difference or change in the EGR system pressure. The DPFE Sensor reads changes in the ...

No oil Pressure, with knock. then oil pressure returns after turning off engine for a few minutes and cranking back up again. oil pressure drop to 0 eng started to knock then after a couple of starts ...

a/c low pressure quick disconnect location? 1999 ford expedition on the tube between the firewall and the a/c compressor. On some Fords the low pressure port is on the dryer (aluminium cylinder). Good

high and low pressure switches The high pressure switch is usually located on the a/c compressor. If pressure gets to high on the high side the switch will open and turn off the a/c compressor. It is ...

...stopped working step for trouble shooting There are several ideas on test gauges for A/C pressure. You need to find out if you have any Freon pressure in your system. Low pressure will ...

FUEL PRESSURE DROPS WHEN PUMP STOPS.HARD TO START HAVE TO CRANK SEVERAL TIMES TO GET IT TO START FUEL PRESSURE IS ZERO THEN PUMP KICKS IN WHEN KEY ON AND PRESSURE STARTS TO BUILD IF YOU BUMP IT 3 ...

high temp low oil pressure light comes on after driving for a few minutes, then off when engine at driving rpm. At stop light (idle or low rpm) light comes back on. Normal driving it goes out. You ...

...5 random misfire codes and also a p2196 code.ive narrowed it down to the mass airflow or the feul pressure reg i think but im not entirely sure.any ideas? Fuel pressure regulator either is stuck ...

...start was thinking it might be the fuel pump how do u test that? GO TO AUTO PARTS STORE BUY A FUEL PRESSURE GAUGE THAT CAN CHECK FUEL PRESSURE UP TO 100 PSI. LOCATE YOUR FUEL PRESSURE TEST PORT.LOOK ...