From: owner-small-list-digest ford-trucks.com (small-list-digest)
To: small-list-digest ford-trucks.com
Subject: small-list-digest V3 #188
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small-list-digest Tuesday, July 27 1999 Volume 03 : Number 188



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Ford Truck Enthusiasts - Ranger, Explorer, Bronco 2 and Aerostar
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In this issue:

FTE Small - re: creaking explorer
FTE Small - re: pinging explorer
RE: FTE Small - Mass Air Flow Sensor
Re: FTE Small - Date: Thu, 22 Jul 1999 18:21:10 GMT
RE: FTE Small - Explorer with engine 'ping' or 'knock'
[none]
RE: FTE Small - Explorer with engine 'ping' or 'knock'
FTE Small - Re:
Re: FTE Small - Discount Parts attn: 4xFord
FTE Small - 87 Bronco II
Re: FTE Small - Problem with Door Ajar Alarm
Re:FTE Small - Explorer with engine 'ping' or 'knock'
FTE Small - Headlight Relay(s), 94 Explorer

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Date: Mon, 26 Jul 1999 06:39:45 EDT
From: Ledski aol.com
Subject: FTE Small - re: creaking explorer

In a message dated 7/25/1999 6:04:05 AM Eastern Daylight Time, Tony wrote:


> creaking sound from the front end. Not squeaking, not popping, but
creaking. >>

My neighbor had a creaking sound in his van last week and it was a ball
joint. I didn't see that in your list of fixes so maybe that's it.

Tim
94 Explorer EB
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Date: Mon, 26 Jul 1999 07:02:21 EDT
From: Ledski aol.com
Subject: FTE Small - re: pinging explorer

In a message dated 7/26/1999 5:58:24 AM Eastern Daylight Time, Ron wrote:


developed a pinging or knock when going uphill or under slight acceleration.
We have tried mid and premium fuel with no results. >>

I don't know if it would cause pinging, but I just replaced my spark plugs
and all three on the drivers side were ate up. I notice an increase in power
now. Best way for me to get to the passenger side rear was from underneath. I
thought that would take care of a problem with a rough idle at start up after
driving in the heat with AC on, but hasn't. I may try changing the O2 sensors.

Tim
94 Explorer EB
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Date: Mon, 26 Jul 1999 08:47:53 -0500
From: Mike Harms
Subject: RE: FTE Small - Mass Air Flow Sensor

Sounds like techno-bable to me. As a technical person at a software company
I have had marketing people ask me "is this kinda like what it does" and if
I say yes, that seems to give them license to claim just about anything.
From what the blurb states I would say that for sure, the Granatelli Motor
Sport's Mass Airflow Sensor:
1. Has a larger and/or redesigned opening to flow more air
2. Has a electronic module to do some sort of signal conditioning on the
signal from the Mass Airflow Sensor

That's about it. It still won't be able to influence the fuel mixture or
timing calibration directly at the MAF port, but it probably is doing as
much as possible to make sure the reading sent to the computer on Mass Air
Flow is as close to reality as possible. If they had an e-mail address I
wouldn't mind having a little fun with them and calling them on their
advertisement. I would like to hear what they could come up with to explain
how a MAF is directly affecting timing calibration and fuel mixture
settings.

>Date: Sat, 24 Jul 1999 10:28:47 -0600
>From: "Kenneth St. John"
>Subject: RE: FTE Small - Mass Air Flow Sensor
...
>In fact, give me your interpretation of what they have to say:
>
>"Granatelli Motor Sport's Mass Airflow Sensor offers up to 47% more airflow
than your Ford's stock unit, and >features a built-in state of the art
active electronic module to provide more accurate fuel mixture and timing
>calibration"
> --- Performance products, catalog 16F (spring/summer '99)
...
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Date: Mon, 26 Jul 1999 16:06:31 +0300
From: Bolte Brent
Subject: Re: FTE Small - Date: Thu, 22 Jul 1999 18:21:10 GMT

Control-Trak does indeed have a 2WD drive mode depending upon
what year Explorer you are talking about. When Control-Trak was
first introduced in the Explorers in 1995, the operating modes you
could switch between were 2WD, AUTO, & 4X4 LOW. The front
differential contained a vacuum operated disconnect that would
allow the half shafts ( drive lines running from the front wheels to
the center differential ) to be disengaged from the front drive shaft.
While operating in 2WD mode, the drivelines were disengaged
allowing the front differential and front drive shaft to be stationary.
Once you put the Control-Trak into AUTO mode, the vacuum
disconnect would engage the front drive lines to the differential
and front drive shaft. You would then end up with the "AWD"
mode where torque was split 5% front/95% rear in no slip
conditions and up to 95% front/5% rear in high slip conditions.
This same Control-Trak configuration was also used in 1996
Explorers with V6 Power ( remember all V8 Explorers have
always used the viscous coupled transfer case which truly
is a full time AWD system ). In 1997 Ford did away with the
vacuum disconnect in the front differential and also did away
with the 2WD mode. The operating modes in the 1997 and
newer Explorers with Control-Trak are AUTO, 4X4 HIGH, &
4X4 LOW. The default driving mode in these Explorers is the
AUTO mode which provides computer controlled "AWD" all
of the time.
For some reason, the version of the Control-Trak system used
in the Expeditions gives you the option of 4 driving modes. You
can switch between 2WD, AUTO, 4X4 HIGH, & 4X4 LOW.
Don't know why Ford decided to do this in the Expeditions and
not in the Explorers. I have both a 1995 and a 1997 Explorer
( both V6 powered with Control-Trak ). The 1995 Explorer
operating in 2WD mode gets about 1.5 to 2 MPG better mileage
than the 1997 operating in AUTO mode. Over time I'm sure that
difference has to add up ( with the extra gas I end up buying ),
maybe that's why they still offer 2WD mode in the Expeditions
( since any increase in MPG they can give the Expedition would
help ).


On Fri, 23 Jul 1999, David Cooley wrote:

> Select-Trac is a form of AWD... front hubs are locked all the time.
> In 4WD AUTO, it controls the amount of torque applied to the
> front/rear by the amount of slip it see's in the rear... I believe it
> is as low as 5% front, 95% rear and can go to 95% front, 5%
> rear in severe slippage, so the front driveshaft etc is always
> engaged and turning. There isn't a 2WD mode for the Select Trac.

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Date: Mon, 26 Jul 1999 08:55:16 -0500
From: Kevin Arnold
Subject: RE: FTE Small - Explorer with engine 'ping' or 'knock'

I would recommend cleaning out the MAF sensor. It didn't help me out with
the pinging but it has helped a lot of others. I am hoping that it is in
the same setup as a 4.0 Ranger. It is on the left side of the engine
compartment between the airbox and the intake tube. It is a small black
square "box" with wires running into it. It is probably screwed in with
security star nuts. Unplug and unscrew it, then remove the top of the
sensor. You should see two tiny contact wires. Clean them with an O2 safe
carb or contact cleaner. (Spray it with the stuff then let it dry
completely) Carefully clean the bottom half of the MAF sensor that is still
in the engine compartment (don't clean inside the hole). MAKE SURE NOT to
get anything down in the hole. When it all dry put it back together and
plug the MAF sensor back in. Most people recommend resetting the computer
afterwards. For a better explanation go to http://www.ford-trucks.com//lc/lc.php?action=do&link=http://therangerstation.cjb.net/
Hope this helps...
Kevin

- -----Original Message-----
From: Ron,Marge,Ted [SMTP:rmtsadu sunlink.net]
Sent: Sunday, July 25, 1999 9:18 PM
To: Ford Truck
Subject: FTE Small - Explorer with engine 'ping' or 'knock'

My wife has a '94 Explorer with 43,.000 miles on it. About a year ago it
developed a pinging or knock when going uphill or under slight
acceleration.
We have tried mid and premium fuel with no results. We have taken it to 2
dealers who came up with 2 different diagnosis but still pings.Both dealers
found no codes in the computer.

Dealer#1....Said that the fuel filter was plugged causing a lean
mixture
which inturn caused the computer to change the timing to compensate for the
lean mixture...thus the change in timing caused the ping. A new fuel filter
was installed but still no better.

Dealer#2....Got a service bulletin from Ford stating that the ping or
knock in a 4.0 L engine is probably due to a build-up of carbon in the
combustion chamber and that there is nothing that can be done except to try
using injector cleaner to clean out the chambers. Also, it says that
nothing
but regular fuel should be used because mid or premium grades can actually
contribute to the build-up problem...Go Figure! And lastly, that it should
be driven above 3000 RPM periodically to help burn the contaminants out.

So far, 4 or 5 tanks of fuel treated with the injector cleaner have
been
run through but still it pings. I would appreciate hearing from anyone out
there with any experience with this problem as I'm afraid of doing
permanent
damage to the engine. In the 5 years that we have the Explorer, it has been
absolutely trouble free except for this one quirk.
Thanks for any advice,

Ron Sadusky

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Date: Sun, 25 Jul 1999 20:35:07 -0600
From: "Jeffery G. Conrad"
Subject: [none]

* Subject: FTE Small - Problem with Door Ajar Alarm
*
* Can anyone help me??? Sometimes my '95 Ranger will act as though
the
* door is ajar (alarm goes off, interior light stays on), even though
both
* doors are firmly shut. I really have no clue what's going on with
it,
* but it's driving me crazy! Any help would be greatly appreciated.
*
* Thanks,
* Shawna Boynton

Shawna, I had the same problem with my 95 Ranger. Turned out to be a bad
Door switch.
Since it was still on warranty I didn't have pay, so I can't say what it
cost to replace.
It should be an easy fix if you want to do it yourself though.

Jeff Conrad
Software Developer, NxTrend Technology Inc.
jconrad nxtrend.com
95 Ranger XL 2.3l
78 Cougar XR7


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Date: Mon, 26 Jul 1999 10:37:33 -0500
From: Mike Harms
Subject: RE: FTE Small - Explorer with engine 'ping' or 'knock'

Someone else can correct me if I am thinking of this wrong, but a lean
mixture would not be compensated for in the engine by advancing timing but
by retarding the timing. And to help with pinging you usually retard timing
so I can't quite see how a lean mixture would be the cause of pinging based
on timing.

Pinging can be caused by various things outlined at this website
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.salemboysauto.com/faqs/faq37.htm

I would pay close attention to EGR function to make sure that is working
properly.

If you have carbon buildup, I would try something other than injector
cleaner. Their are products on the market designed for cleaning carbon
buildup. The one I have heard the best of is Seafoam. It is an intake
system cleaner and it get's used like this:

1. Open up your intake so you can get to the intake manifold after the
various sensors in the main line from the air filter.
2. With the engine running, using a funnel, poor the Seafoam into the engine
slowly to the point just before it dies. Make sure you do this outside
because it will make a lot of white smoke.
3. Do this with about the first 3/4 of the can of Seafoam
4. With the last quarter, pour it all in and let it kill the engine.
5. Button things back up and let it sit for a while. If it's really bad I
let it sit overnight, but you may want to try just 5 to 10 minutes.
6. Restart the truck (it's going to smoke bad) and drive it around for a
while to clear out any carbon that came loose.
7. Treat it a second time if you feel it may help.

I do think it may be a little unusual to have enough carbon deposits to
cause pinging at 43,000 miles but I suppose if the gas was of poor quality
it could. As far as higher grades of gas making it worse, it is possible if
you already have deposits that it could get worse. There are additional
additive packs in higher octane fuels that could make a existing problem
worse. But unless you have a problem with unburned fuel normally, I can't
see a problem with running the higher octane fuels. Typically they have
additional detergents added to help keep things clean as well.

Good luck.



>Date: Sun, 25 Jul 1999 22:18:10 -0400
>From: "Ron,Marge,Ted"
>Subject: FTE Small - Explorer with engine 'ping' or 'knock'

>My wife has a '94 Explorer with 43,.000 miles on it. About a year ago it
>developed a pinging or knock when going uphill or under slight
acceleration.
>We have tried mid and premium fuel with no results. We have taken it to 2
>dealers who came up with 2 different diagnosis but still pings.Both dealers
>found no codes in the computer.
> Dealer#1....Said that the fuel filter was plugged causing a lean
mixture
>which inturn caused the computer to change the timing to compensate for the
...
> Dealer#2....Got a service bulletin from Ford stating that the ping or
>knock in a 4.0 L engine is probably due to a build-up of carbon in the
>combustion chamber and that there is nothing that can be done except to try
>using injector cleaner to clean out the chambers. Also, it says that
nothing
...
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Date: Mon, 26 Jul 1999 16:02:11 EDT
From: DAS1544 aol.com
Subject: FTE Small - Re:

i use to work at a ford dealership and we had that problem with taht year
veh. All it is most of the time is the Door Ajar switch and allyou have to do
is replace that switch and it should take care of that problem.


Dennis
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Date: Mon, 26 Jul 1999 19:35:33 -0400
From: "Anthony Rifici"
Subject: Re: FTE Small - Discount Parts attn: 4xFord

>Check out the Atascadero Ford Parts Outlet at http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.ford-outlet.com


How long do they usually take to get back to you?

Thanks,
Tony
94 Ranger Supercab, 4.0L, 5-Speed



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Date: Mon, 26 Jul 1999 21:30:10 CDT
From: "Bad Brian"
Subject: FTE Small - 87 Bronco II

I have a Bronco II _1987) that I need to know the alternator and regulator
wire colors on. I have put all new (86 Tbird) acces. in it and some
harnesses got cut. this truck has a well built 302 going in it. Alsdo need
a small c-4/302 flexplate if anyone has one they would part with. Having
lots of trouble finding one. Thanks for any help.


http://www.ford-trucks.com//lc/lc.php?action=do&link=http://southeastern.webjump.com

go see the truck here


_______________________________________________________________
Get Free Email and Do More On The Web. Visit http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.msn.com
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Date: Mon, 26 Jul 1999 22:28:18 EDT
From: SpyderLv81 aol.com
Subject: Re: FTE Small - Problem with Door Ajar Alarm

On my 95 FORD Ranger there is no switch to let everyone know. It is in the
door latch assembly and all u have to do is take a can of WD40 and soak the
door latch. A tech from a ford dealer told me in the later years it is a
common problem, everything just dries up. It drove me up the wall to because
the dome light stays on.


Spyder2
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Date: Mon, 26 Jul 1999 23:50:25 -0400
From: Rick and Deborah Kelso
Subject: Re:FTE Small - Explorer with engine 'ping' or 'knock'

Find the EEC test connector on the rt. side of the fenderwell under the hood. About 6-8 inches from
the connector is a small 2-wire connector. It should be grey or black in color. The wires should be
two different colors. Remove the "jumper" plug from this connector. This retards the timing about
3 degrees and should fix your spark knock problem. Hope this helps.

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Date: Mon, 26 Jul 1999 23:13:04 -0500
From: Guy Anderson
Subject: FTE Small - Headlight Relay(s), 94 Explorer....


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