Question about Ford Cars & Trucks
There is a little controversy about this. Searching the web, the best explanation I see is:
he 0.061-0.068 gap comes from the Ford OEM Service DVDs for 2003, 04 & 05, for the 4.0L Explorer, Explorer Sport-Trac, Mountaineer & Ranger, originally equipped with the Motorcraft AGSF22PM plug. Interestingly, in 2005, the Mustang started using the same 4.0L engine. In that application, the engine was equipped with the AGSF24N plug (a hotter plug). The gap on the DVD is shown as 0.052-0.056 in.
Through 2002, all 4.0L SOHC plugs, according to the Ford DVDs, are gapped at 0.052-0.056, using AGSF22PP plugs as replacement plugs.
The 4.0L SOHC is a waste spark engine, which uses slightly different plugs on the left & right banks.
Replacement plugs are usually double platinum, suffixed PP so they can be
used on both banks.
On the 2006 and later Ford DVDs, all 4.0L SOHC plugs are gapped at
On the Ford OEM parts site, the AGSF22PM plug isn't listed. The replacement
plug for 2003-05 4.0L engines is the SP400, which is shown as having a gap
of 0.052-0.056 in.
The sites for Autolite, Champion and Bosch all list replacement plugs, for
those years as having a gap of 0.054 in.
Bottom line, it looks like the original plugs in the 2003-05 engines, except
for the 2005 Mustang, were gapped at 0.061-0.068 in. Replacement plugs,
regardless of manufacturer, are gapped at 0.052-0.056 (0.054), regardless of
electrode type (iron, copper, platinum, double platinum, or iridium.
Posted on Aug 14, 2019
On the passenger side of the intake manifold, coming off the bottom
about the center of the engine front to back, you'll feel a hose that
comes off a nipple. That hose makes a 90 degree bend and goes around to
the rear of the motor. Where that hose meets the Y-connector from the
other side of the intake you'll find the PCV valve. It's almost
impossible to see it with the hood installed, and even tougher to reach
A good source of information for Ford Explorers can be found here
Posted on Oct 25, 2008
Look under the dash on passenger side and just to the left of the blower motor housing you will see the 4WD control module.Remove the 2 screws holding the module and let it hang down and your resistors are behind this.Remove the 2 screws holding the resistors and remove.
Now I am assuming you have manual climate control and not electonic.
Posted on Feb 26, 2009
The ABS light is for the Anti-lock Braking System. The MIL will illuminate if there is a difference in wheel speed sensors signals to the PCM. So you might have a wheel speed sensor that is going out on you. Does the light come on at low speeds, or just higway speeds? You could take the vehicle to a local parts store and have them pull the codes for you and that will tell you which speed sensor is out of whack. Also road grime, dirt and gunk buildup can cause speed sensors to give false readings. Hope tihs helps you out.......
Posted on Oct 22, 2009
I have a 99 ford explorer 4x4, v-6 with a 4.0 engine I can not locate the IAT sensor. It is not located on the hose connected to the air filter. Where else could this sensor be?
Posted on Apr 07, 2010
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