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.”

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”

1997 F150, Changing The GEM Module, Window & Wipers Inop

This 1997 Ford F150 needs the GEM module changed due to multiple conditions. To see testing that lead to this repair please click here. The GEM module is located at the rear of the interior fuse box. The first step is to remove the trim panel that covers the gap between the upper side of … Continue reading “1997 F150, Changing The GEM Module, Window & Wipers Inop”

1997 Ford F150, Power Windows Inop

This 1997 Ford F150 came in with three complaints. The power windows do not work. The wipers do not work and the interior lights do not work. Figuring that they were all related I decided to test the easiest system to access, the power windows. I pulled the driver’s side power window switch assembly up … Continue reading “1997 Ford F150, Power Windows Inop”

2005 Ford F150, Rear Park Lights Inop

This 2005 Ford F150 Pickup came in with the complaint that the rear park lights or tail lights were not working but the front ones were. I figured simple enough probably a blown fuse from towing a trailer with a short. Well I figured wrong. After checking thoroughly I found that the lights would flicker … Continue reading “2005 Ford F150, Rear Park Lights Inop”

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”

1995 F150 , High Idle – Code 121

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”

2002 F150, 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”

2004 Ford F150, Code P2100, Will Not Accelerate

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”

1996 Ford F150, No Rear Turn Signals and No Stoplights

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”