This 2003 Ford Expedition came in because of an annoying clicking sound from the back of the vehicle. The customer stated that if he would constantly adjust the rear temperature setting the noise would go away for a little while. He was planning on taking a thousand mile trip soon and did not think he … Continue reading “2003 Ford Expedition, Clicking From Rear A/C Actuator”
This 2003 Ford Expedition came in with a no run condition. A quick check found no fuel pressure and a code P0231 (low voltage on fuel pump monitor circuit). I decided to go to the interior fuse box, where my wiring diagrams, stated the fuel pump relay and fuse are located. There are a couple … Continue reading “2003 Ford Expedition, No Run, No Fuel Pump Operation, Code P0231”
This 2004 Ford Expedition came in with a code P0305, misfire cylinder #5. The customer already had the spark plugs changed out a few days ago, but his misfire was back. Time to get to cylinder #5 coil. I removed the two bolts that held the engine cover in place. After the top engine cover … Continue reading “2004 Ford Expedition, P0305 Misfire Cylinder #5”
This 2003 Ford Expedition came in with the complaint that the alternator had been replaced twice and the charge light light indicator was still coming on. The shop that had installed the alternators had called in desperation as their customer was becoming quite upset. They also stated that the light may stay out all day … Continue reading “2003 Ford Expedition, Charge Light On, P0620”
This 2002 Ford F150 with a 5.4 liter engine came in with the service engine soon light on and a P0401 code stored. This same general test applies to most Ford, Lincoln and Mercury vehicles with EGR valves and DPFE sensors. Wire colors may vary and you may wish to consult a wiring diagram. It … Continue reading “2002 F150, P0401 Insufficient EGR Flow”
This 2001 Ford Expedition came in and the customer requested that the EGR valve be changed. I asked why and was told the parts store checked it and it had a code P0401 for insufficient EGR flow. I said okay, but I was willing to bet that the EGR valve was okay. The customer asked … Continue reading “2001 Ford Expedition, Testing The EGR Valve”
This 2000 Ford Expedition was towed in due to a no run condition. I checked for codes and found that I had no communication to the Powertrain Control Module or the Instrument Panel Cluster. I also noted that the odometer was displaying dashes. I decided to start checking power at the PCM relay. It is … Continue reading “2000 Ford Expedition No Run Condition”
This 1999 Ford Expedition came in with the complaint that the interior and running board light stay on. I checked data in the gem module with my scan tool and found that even with the door closed. I tried spraying the latch with a cleaner/lubricant but it did not fix it in this case. Cleaning … Continue reading “1999 Ford Expedition Dome, Courtesy and Running Board Lights Stay On”
After looking at diagrams I found that this Expedition uses vacuum controls to change door positions. I started looking for vacuum line problems under the hood and found the problem behind the battery. You can see the damaged section of the small plastic vacuum line, just slightly lower than center of the following picture. It … Continue reading “1998 Ford Expedition, No Air From Vents, Air Only Flows From Defrost”