This 1995 Ford F150 pickup came in with the complaint that the idle was very high. The customer stated that the original problem was that the idle was too low and the engine would stall. His neighbor was familiar with Fords and had replaced the IAC valve and now it idles very high. They had … Continue reading “1995 F150 , High Idle – Code 121”
This 1999 Mercury Sable came in with the check engine light on and a code P0401 for insufficient EGR flow. Luckily the EGR valve and the DPFE sensor are easily accessible on this car. I set may scan tool up to view DPFE voltage and connected my hand vacuum pump to the EGR valve. This … Continue reading “1999 Mercury Sable, P0401 Insufficient EGR Flow”
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 2000 Ford Windstar came in with a driver’s power window inop. I did a quick test and found that the motor was bad. The quick test consists of turning the key on with the engine off. Then move the switch for the window in question up and down. While doing this look at the … Continue reading “2000 Ford Windstar, Changing The Driver’s Power Window”
This 1997 Ford Mustang came in on a hook with a no crank condition, the starter would not work. I turned the key on and checked to make sure the dash lights came on. They did but as soon as I tried to crank the engine they went out. Seems like a battery cable connection. … Continue reading “1997 Ford Mustang, No Crank Condition”
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 1998 Ford Crown Victoria came in with the complaint that the #2 fuse in the underhood fuse box will blow while going down the road. The customer stated that he could tell when it happens because the air bag light will come on and the charge indicator gauge will start dropping. The test light … Continue reading “1998 Ford Crown Victoria, Blows #2 Fuse, No Crank, No Charge Condition”
This 2003 E350 Van came in with the complaint that sometimes the turn signals and blower motor do not work. The customer also stated that the brake and abs lights would come on along with a buzzer. I questioned the driver and found out it happens mainly in the mornings and more so when it … Continue reading “2003 E350 Super Duty Van, Turn Signals and Blower Inoperative”
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”