you have to take the plastic off the top of the moter and the spark plugs are under all that stuff i know it sucks but you can have the shop change them for a few hundred
For a 2001 Ford Explorer Sport Trac : There are ( 6 spark plugs ) for your 4.0 liter V6 engine
MotorCraft
( 6 spark plugs ) for your 4.0 liter SOHC , V6 engine
Yes. It could make it better or worse.
.054 inch
remove the coil packs then the spark plugs dont just drop the plugs when installing this will damage the electrode
Now would be a good time to do a tuneup.
firewall 3 - 6 2 - 5 1 - 4 front ( The spark plug location numbers in the engine cylinder heads )
with a left-handed spark plug wench...hehe, then you gotta putt'em in with a right-handed spark plug wench
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of the engine compartment ( it will show what type of spark plugs to use and the spark plug gap )
It's a huge pain but I managed to do it with a 3" extension. With the front passenger side wheel off you can just make your fingers in there far enough to do it.
spark plug loacation on 2006 jeep wrangler sport 4.0 liter engine