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Excursion

The adjustable pedal mechanism sensor may be defective, require replacement, and have the codes cleared. Ford had a bulletin that covered this problem in 2005, and offered a free replacement of this sensor. This bulletin is no longer active, but...

The most likely cause of this issue would be a faulty transmission temperature sensor. I would recommend having your transmission temperature sensor inspected and tested for proper function by a qualified professional. If the transmission temperature sensor is functioning improperly,...

If your overdrive light is blinking (like a turn signal or hazard light), this indicates that there is a problem with your transmission. It could be the solenoid or possibly the speed or range sensors. There are many different issues...

I hear you, tracing oil leaks is hard! I suspect as you do that the leak is at the "nose" or front of the engine (possibly at the front crankshaft seal (https://www.yourmechanic.com/services/front-crankshaft-seal-replacement)), and the higher oil pressure at road speed...

You may want to have faults surveyed to see if there are any underlying issues on your 2003 Ford Excursion. Battery voltage (https://www.yourmechanic.com/article/how-to-check-the-voltage-of-a-car-battery) is extremely vital to vehicles with heavy electrical systems such as the Excursion. If the battery voltage...

The 5.4L Triton V8's are notorious for the ignition coils failing. There is a TSB out concerning these coils. The engine uses a coil over plug setup and while you can read out faults to see which coils have cylinders...

Hello, thank you for writing in. This is going to be a process of elimination. To start, the charging system may be having issues with the battery or the alternator. Both should be tested to make sure they are working...

Hello - this piece is part of the crankcase ventilation system (https://www.yourmechanic.com/article/how-long-does-a-crankcase-vent-filter-last), and has a PCV valve underneath. It vents crankcase fumes to the air intake system for combustion, regulated by the PCV valve. This hose is available separately from...

The codes you are getting may be directed to the O2 sensors but can be caused by a computer system or fuel system malfunction. You should get each code diagnosed to find out what is the cause of the rich...