I had the same problem on mines 98 Ford Expedition 4.6L . It ended been a simple tune up of plugs and wires. If it is a 5.4L it maybe a bad coil pack. I would switch the bad coil with a good one and go from there.
Bad plugs, wire , or coil pack.
Most likely a bad ignition oil. Each cylinder has its own coil mounted at the top of the spark plug
There are several things that can cause your 2003 or Expedition to misfire. The most common cause is a plugged catalytic converter.
a cylinder misfire might be happening. check your plugs and wires for bad connection
Plugs or / and Coil Packs. Auto Zone will check your codes for free and will tell you which plugs or coils are bad. Then replace.
Most likely a bad coil (each cylinder has one) located at the top of each spark plug
if sludge is keeping oil from draining away from valve guide a cylinder can suck in oil and cause plug to misfire
Find and repair the cause of a misfire on cylinder #5.see related question below.Find and repair the cause of a misfire on cylinder #5.see related question below.
Yes
Yes, it sure can.
the gun powder ispacked to tightly and the preassure builds up and can cause it to misfire
what are the possible causes of misfire on number one cylinder in a dodge 2003 ram 4.7 liter engine