The owners manual for the 2003 F-150 shows the spark plug gap for the 4.2 L V6 engine as ( .052 - .056 inch ) but www.motorcraft.com ( one of Fords websites - which states it's updated daily ) shows ( .044 inch ) spark plug gap for 2003 to 2005 F-150 - 4.2 L V6 engines
beneath each individual coil pack. You need to remove a coil pack to get to a spark plug.
The spark plug gap is .054"
The spark plug gap is .054"
sparkplug placement for 97 f150 4.6
COP system Coil on Plug. Coils are located on the top of the spark plugs
Which engine?
www.motorcraft.com shows the spark plug gap as .044 inch
What is the spark plug gap suppose to be on an irdium spark plug for a 2003 1500 5.3L T?
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.054 inch
the spark plug gap is .054in. for 2003 ford focus.
Most likely a bad spark plug or an ignition wire (spark plug wire) that is breaking down and not letting electrical charge reach the plug. Could also be a faulty fuel injector.