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Subject: small-list-digest V3 #166
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small-list-digest Saturday, July 3 1999 Volume 03 : Number 166



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

Re: FTE Small - EEC-IV Computer Programming Sources
Re: FTE Small - check engine light
FTE Small - many questions
FTE Small - check engine light

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Date: Fri, 02 Jul 1999 05:19:37 -0400
From: Daner
Subject: Re: FTE Small - EEC-IV Computer Programming Sources

Do you have a 5.0L EFI in your truck?? If so try these sites:

www.speedbrain.com
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.efisystems.com/pms.htm


>Hi Folks,
>I am looking for some inputs from anyone who can advise some experts to talk
>with in the area of EEV-IV computer re-programming (not just adding external
>chips). I am interested in re-mapping the advance table and air-fuel
>calculation tables. Thanks for any inputs!!
>Best Regards,
>Bob Marrs (bmarrsabpac.com)
>
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Date: Fri, 2 Jul 1999 08:41:04 EDT
From: Ledskiaol.com
Subject: Re: FTE Small - check engine light

In a message dated 7/2/1999 4:48:22 AM Eastern Daylight Time,
owner-small-list-digestford-trucks.com writes:


> are open. The problem comes from the fact that because you are towing,
> the engine is under a larger load than normal which keeps the engine RPM's
> from increasing when you open the throttle. The engine computer is pumping
> extra fuel into the engine ( again because the throttle plates are opened
up
> ),
> but since engine RPM's are not going up as they normally would when you
> open the throttle, air flow through the engine is less than it should be
for
> how far the throttle plates are open. This results in an air/fuel ratio
that is
> way off from what is should be. The air/fuel ratio imbalance causes the
O2 sensor
> to get a reading that is out of the normal range for a long enough time
that it
> finally trips the check engine light to come on. After you get to the top
> of the hill, the engine is able to get back to the proper air/fuel ratio
for the
> RPM it is running, the O2 sensor readings go back to normal, and after
they are
> normal again for a long enough time the check engine light goes back out.
>>

Hi,
My 94 Explorer, 4.0, does sort of the same to me when towing, and now that
I've heard an explanation it makes sense. I also get a miss-like engine
shudder/shake at idle on restart after driving on hot days with the AC on,
not even towing.
Is there anything I can I do about these conditions?
My wife nixes the 4x4 dually, supercab with slide in camper to pull the boat
idea :(
I had been thinking of putting in the Bosch Platinum 4 plugs, would that be
beneficial or a waste of money?

Last year going back to Ohio from Dale Hollow Lake, after 65-70 mph highway
cruising for about 3 hours with the defrost on, traffic came to a standstill
and when I started accelerating again the engine was acting up real bad and
the exhaust was coming out black as diesel smoke. After realizing the
defrost/AC was on and turning it off engine ran ok, but before that I thought
I had swallowed my anchor.

Thanks for any input,

Tim Ledford (Ledskiaol.com)
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Date: Fri, 02 Jul 1999 12:46:30 -0500
From: Matt Mayes
Subject: FTE Small - many questions

Hello, I have a few questions about my '98 3.0L 4x4 Ranger.

1)Periodically for about the last week, my engine has been revving high
(about 2000 or 2500 rpm) whenever I put the clutch in and coast to a stop.
The only way it goes down is if I stop and let the clutch out (as if I was
trying to kill the engine). I have been unable to find a reason for it as
there seems to be no pattern to when it happens. Because it doesn't happen
all of the time I have been reluctant to take it to the shop. Does anyone
have any ideas about what I should do or what it could be?

2)Sometimes when I start moving forward there is a squeak, almost as if the
axle needs to be greased or something. It is coming from the front of the
truck, but beyond that I have no idea where it is coming from. This does
seem to happen whenever I make quick starts. Does anyone know where it
might be coming from or what I can do about it?

3)I am interested in adding dual exhaust to my truck. I would like a big,
deep sound and I was wondering what people's opinions were as to what
exhaust systems would work well with a Ranger. Oh, performance matters a
little and cost matters much more.

Any comments would be much appreciated. Thank you.
+--------------------------------+
| Matt Mayes |
| http://www.ford-trucks.com//lc/lc.php?action=do&link=http://mayes.8m.com/ |
| mattmayes.8m.com |
| bubba52hotmail.com |
+--------------------------------+
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Date: Fri, 02 Jul 1999 10:59:11 -0700
From: rgsteinpacbell.net
Subject: FTE Small - check engine light

My thanks to Bolte Brent and Tim Turner for finally clearing up this
subject for me. My Aerostar's Check Engine light came on while I was
bucking headwinds in the Central Valley, trying to maintain freeway
max. The light came on again later while trying to make time up a very
long (10-mile) uphill grade. This got me worried. I see that when we ask
for lots more power than we've got, the light comes on, and that this is
normal: we're flooding the motor with unburned gas, which trips the
Oxygen sensor. Perfectly logical now.

Richard

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End of small-list-digest V3 #166
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