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 2004 Ford F150 Pickup came in with the complaint that the vehicle would not accelerate. I checked codes and found a code P2100 stored for and open circuit in the throttle body motor. In order to test I had to remove the breather assembly. I removed the hold down bolts. Disconnected the sensor harness. … Continue reading “2004 Ford F150, Code P2100, Will Not Accelerate”
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”
The customer stated that the rear turn signals worked but not with the tail lights turned on and the stoplights did not work at all. Having been down this road many times I surmised that there was a faulty ground somewhere and started checking the basics like loose connectors and loose ground bolts but I … Continue reading “1996 Ford F150, No Rear Turn Signals and No Stoplights”
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”
This repair is similar for many of the Ford trucks and vans of this era. It is very simple to do as long as the key will still switch on and the electrical portion of the ignition switch is properly adjusted. First switch the ignition on and locate the access hole for the release pin. … Continue reading “1990 Ford F150 Pickup Truck,Changing The Ignition Lock Cylinder And Keys”
This 1990 Ford F150 came in with several problems among which was the complaint of no low and no intermittent wiper speeds. Luckily I had to inspect the headlight switch anyways so I got to kill two birds with one stone. The first step was to remove the headlight and wiper switch knobs. I had … Continue reading “1990 Ford F150 With No Low Or Delay Wiper Speeds.”
This 1990 Ford F150 Pickup came in with a complaint of the headlights work sometimes and sometimes they do not. The easiest place to start is at the headlight switch on this truck. the first step is to remove the headlight and wiper switch knobs. There is a slot in each one of the in … Continue reading “1990 Ford F150 Pickup, No Headlights”
This 2002 Ford F150 came in with the complaint that the driver’s window goes down but will not come back up. The driver’s door uses a one touch auto down feature that makes it a little difficult to test but this one was even more difficult due to the fact that the wiring diagrams did … Continue reading “2002 Ford F150 Driver’s Window Goes Down, Does Not Go Up”