2004 Ford F250 5.4 Liter, Engine Stalls, Code P0231

This 2004 Ford F250 with a 5.4 liter gas engine came in with the complaint that the engine would occasionally stall. Testing found a code P0231 stored which indicates a problem with voltage to the fuel pump. Studying a wiring diagram showed several things. Number one is that when the fuel pump relay is engaged … Continue reading “2004 Ford F250 5.4 Liter, Engine Stalls, Code P0231”

2010 Ford Explorer-No Crank Condition- Fuse #8 and Otis Diode Blown

This 2010 Ford Explorer with a 4.o liter engine was towed in with the complaint that the engine would not crank. The vehicle owner had found that the fuse #8 in the interior fuse box was blown and the Otis or starting diode in the underhood fuse box had melted. It took some effort to … Continue reading “2010 Ford Explorer-No Crank Condition- Fuse #8 and Otis Diode Blown”

2003 Ford F150 Theft Light Flashing

This 2003 Ford F150 came in with the complaint that the engine would not fire up and run. The starter worked, the theft light flashes quickly and the odometer reads all dashes instead of numbers. Scanning the PCM found that it would not communicate with the scan tool. There was a code U1262 ( missing … Continue reading “2003 Ford F150 Theft Light Flashing”

2006 Ford Expedition Transmission Shifts Too Soon

This 2006 Ford Expedition came in with the complaint that the transmission would shift through the gears and the torque converter solenoid would lock up below 25 mph. There was a shudder present at low speed due to the condition. The problem would also go away sometimes. A transmission shop and the local Ford dealership could … Continue reading “2006 Ford Expedition Transmission Shifts Too Soon”

1994 Ford F150, No Run Condition, Burnt Smell In Cab

This 1994 Ford F150 was towed in with a no run condition. The customer told me that he was driving along and started smelling something burning. The next thing he knew there was smoke under the driver’s side of the dash and the engine stopped running. I have seen this before, so I stuck my … Continue reading “1994 Ford F150, No Run Condition, Burnt Smell In Cab”

2003 Ford F150 , Idle Surges, Stalls, Multiple Lean Codes.

This 2003 Ford F150 came in with multiple complaints among which were a surging idle, stalling condition and the service engine soon light on. I did a quick check of the engine codes and found multiple lean codes.  I opened the hood with the engine running and could hear the familiar sound of sucking air. … Continue reading “2003 Ford F150 , Idle Surges, Stalls, Multiple Lean Codes.”

2003 Ford Expedition, No Run, No Fuel Pump Operation, Code P0231

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”

1999 Ford F150, P0306 Misfire Cylinder #6

This 1999 Ford F150 Came in with a misfire on cylinder number 6. No big deal except that the spark plugs, spark plug wires and coil assembly have already been changed with quality parts. The other thing I noticed was that the misfire did not come in until the engine speed reached about 1500 RPMs. … Continue reading “1999 Ford F150, P0306 Misfire Cylinder #6”

2004 Ford Expedition, P0305 Misfire Cylinder #5

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”

1999 Ford F150, P0455, Gross Evap Leak

This 1999 Ford F150 came in with the SES light on and a code P0455 stored for a gross evap leak. I checked the obvious things like a loose or missing gas cap, okay. I also inspected the evap hoses and found no problems. I did a little bit of reading and found that I … Continue reading “1999 Ford F150, P0455, Gross Evap Leak”