80-96-list-digest Friday, October 23 1998 Volume 02 : Number 367



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Ford Truck Enthusiasts - 1980-1996 Trucks and Vans
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In this issue:

FTE 80-96 - Fuel Pump runs after engine shut off
FTE 80-96 - Re: Clock and radio light
Re: FTE 80-96 - Fuel Pump runs after engine shut off
Re: FTE 80-96 - How to make a Light for checking EECIV codes?
FTE 80-96 - 90 F150 Surging
FTE 80-96 - How do you adjust idle speed?
FTE 80-96 - new Idle Speed ????
Re: FTE 80-96 - How do you adjust idle speed?
FTE 80-96 - '87, carb problems, or?
FTE 80-96 - Re: FTE 80-96-Fuel/Ignition or Transmission problem
FTE 80-96 - Re:FTE 80-96-Fuel/Ignition or Transmission problem
Re: FTE 80-96 - How do you adjust idle speed?
FTE 80-96 - Wrecked truck and getting new truck.
Re: FTE 80-96 - 90 F150 Surging

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Date: Thu, 22 Oct 1998 07:42:08 -0400
From: Robert Mayzer
Subject: FTE 80-96 - Fuel Pump runs after engine shut off

I have a 90 F-250 with dual fuel tanks. The pump in the tank runs for 1
to 5 minutes after the engine is shut off. It happens on either tank.
What is causing this?

Thanks in advance

Bob

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Date: Thu, 22 Oct 1998 07:18:21 -0500
From: "David Anderson (EUS)"
Subject: FTE 80-96 - Re: Clock and radio light

Yes the clock and radio light is illuminated by one bulb in the radio. To
replace it, first remove the radio from the dash. My '90 will be different
than you '92 so your on your own for this part. Next pull the knobs and
remove the radio faceplate with a couple of screws on each side. A small
bulb should be right there in a white reflective cavity. Just pull it out
and match it up with one at any of these chain discount auto parts stores.
Hope this helps.
David Anderson
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Date: Thu, 22 Oct 1998 10:53:25 -0700
From: Mark Ponsford
Subject: Re: FTE 80-96 - Fuel Pump runs after engine shut off

>I have a 90 F-250 with dual fuel tanks. The pump in the tank runs for 1
>to 5 minutes after the engine is shut off. It happens on either tank.
>What is causing this?
>
>Thanks in advance
>
>Bob

more than likely a stuck fuel pump relay. When it happens, try tapping the
relay bank. (next to air filter box) There are two relays in the bank - one
for FP the other for computer.

Don't remember which is which.


- -------------------------------------------------------------------------
Mark Ponsford 721-7397 or mponsfor uvic.ca


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Date: Thu, 22 Oct 1998 11:00:39 -0700
From: Mark Ponsford
Subject: Re: FTE 80-96 - How to make a Light for checking EECIV codes?

> Hello,
> I recently took my F150 to a mechanic who used a small pen
>with a LED
>light in the end of it to read the codes from the EEC IV. Does anyone here
>know how to make one as his was only a home-made thing. I just need to know
>what size LEDs, what size resistors, etc. Any help would be much
>appreciated.
>
>Regards,
>Tony.


Any LED in series with 1K ohm resistor should work.

12vdc ------|>|---\/\/\/\--------test pin on EEC connector

or just watch the indicator lamp on you dash panel.

mark ponsford


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Date: Thu, 22 Oct 1998 14:49:49 -0400
From: "Norm (Jack) Jacobs"
Subject: FTE 80-96 - 90 F150 Surging

Truck surges (revs up then down, to almost stalling, then up again) at
different intervals when idling. On various occasions it idles and runs
fine.

At times hard starting other times not, doesnt seem to matter whether
cold start or warm start.

I have replaced plugs, wires, rotor, distributor cap and fuel filter.

Any ideas would be appreciated

Thanx

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Date: Thu, 22 Oct 1998 16:25:36 -0500
From: PRP
Subject: FTE 80-96 - How do you adjust idle speed?

I have an '87 F150 8cyl 5.0L 302 Lariat XLT. It idles really high. Any
suggestions on what to check or how to adjust it? I am a weekend type
handyman trying to save some money, and I am in the dark on how to
approach it. I used to have an older vehicle and it took just the turn
of a screw to adjust the idle. Well not anymore. Any and all
suggestions would be greatly appreciated.

Thanks,
Paul Peters
List newbie.
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Date: Thu, 22 Oct 1998 15:42:40 -0700 (PDT)
From: David Whipkey
Subject: FTE 80-96 - new Idle Speed ????

I have an 89 CC Dually with the 460 EFI. I have It seems like this
only happens when the weather starts getting colder. What I have
happening is that the idle speed jumps up momenterally when I put the
truck in reverse or drive and thumps the drivetrain pretty hard. All
the sensors are OK and the injectors are clean. It only happens after
the truck has been warmed up and then shut off for 10 minutes to an
hour or so.
Anybody got an Idea?

Dave




_________________________________________________________
DO YOU YAHOO!?

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Date: Thu, 22 Oct 1998 20:53:21 -0700
From: Randy
Subject: Re: FTE 80-96 - How do you adjust idle speed?

Paul,
It depends on which ignition you have. My '87 F-250 has the Duraspark
ignition. The idle adjustment instructions are printed on the
emissions tag. My says something like unhook two vac lines and plug
them, make the adjustment and hook them back up, but I can't remember
which two. Guess I'm lucky the tag is nice and clean.

Later,
Randy

PRP wrote:
>
> I have an '87 F150 8cyl 5.0L 302 Lariat XLT. It idles really high. Any
> suggestions on what to check or how to adjust it? I am a weekend type
> handyman trying to save some money, and I am in the dark on how to
> approach it. I used to have an older vehicle and it took just the turn
> of a screw to adjust the idle. Well not anymore. Any and all
> suggestions would be greatly appreciated.
>
> Thanks,
> Paul Peters
> List newbie.
> == FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html
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Date: Thu, 22 Oct 1998 21:08:13 -0700
From: Randy
Subject: FTE 80-96 - '87, carb problems, or?

ok gang,
My '87 F-250 w/the 351W is giving me problems. I left work tonite and
it hesitated a little off the line, not unusual when the truck is cold
and the weather is chilly, I just started and went. About 2 blocks
later I could hardly get over 15 mph. It wanted to die big time. I
could put it in neutral and rev it up just fine. I could punch it all
the way down and it would hesitate for a split second and go pretty
good considering it was running weird, but not nearly as quick as
normal. I babied the thing home and it got slightly better by the
time the truck got warm, but still, basically stalling when I'd start
from a light or after slowing to take a corner, unless I let off the
gas. It was running kinda like the time I rebuilt the carb and had
the floats too high, except that I don't remember being able to punch
the accelerator and get a decent response then.
So I started w/the needle adjustment on the 4bbl. Screwed it in until
the truck wouldn't start. backed it out one full revolution and went
for a drive, acted the same. Turned it in one-quarter revolution and
it run alot better, adjusted in a little more.
Went for a drive and WOO HOO! Man is this thing running sweet, NO
hesitation and breaking the tires loose on acceleration, went about 10
blocks and turned around at a school and was smiling big time!
Started back, but still wanting to test it, slowed to almost nothing,
tried to speed up again and it returned to running like crap!!! Came
home depressed about it, wondered if it's not the plugs or wires, but
can't explain why it ran so smooth for those 10 minutes if that's the
case.
I know it took a long time to get here, sorry, but wanted to give you
all the details. Does anybody have any ideas? It has been a long
while since I tuned this truck up, but although I'm back to work now,
I was laid off for about 6 weeks, so I cannot afford trial and error
in this case, otherwise I'd just tune it up and see if that helped,
and if not I'd go from there.

Anybody?

Later,
Randy
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Date: Thu, 22 Oct 1998 21:38:35 EDT
From: Kbeverwein aol.com
Subject: FTE 80-96 - Re: FTE 80-96-Fuel/Ignition or Transmission problem

Still haven't figured out what the problem is with my truck. Now I suspect
it might be
the Torque converter. The reason why I say that is because when in park I can
run the
rpm up high and it is fine. It is just when you take it for a test drive. It
shifts smooth from
low to second and then when you get up to about 35 mph or so the the engine
starts
shaking like it is completely out of balance.
Has anyone had the same problem or even heard of this happening. I getting
really
fed up with this thing.

Appreciate all the help,
Brian
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Date: Thu, 22 Oct 1998 21:44:42 EDT
From: Kbeverwein aol.com
Subject: FTE 80-96 - Re:FTE 80-96-Fuel/Ignition or Transmission problem

need some. I have a 86 F250, 460, C-6. which i just bought a couple weeks
ago.
I rebuilt the carburetor after i got it. It was flooding really bad. That
worked for about
two days and now I am back where I started from. So what I have done this
past week is replaced the stock ford Holley 4-barrel double pumper carb, with
an Edelbrock EDL-1406, replaced all plugs again, have new wires, cap and
rotor. Truck
starts up just fine and idles great. When I take it for a test drive that is
when the
problem happens. I get up to about 35 mph and the engine starts to shake like
it is
completely out of balance. So I'm thinking that it is the Ignition. because
if it was
running out of fuel it should just fall flat on its face. Does anyone know
what may cause this problem.
Also still trying to find some good wiring schematics and repair/service
manual
for same truck.


Still haven't figured out what the problem is with my truck. Now I suspect
it might be the Torque converter. The reason why I say that is because when
in park I can run the rpm up high and it is fine. It is just when you take it
for a
test drive. It shifts smooth from low to second and then when you get up to
about 35 mph or so the the engine starts shaking like it is completely out of
balance.
Has anyone had the same problem or even heard of this happening. I
getting really fed up with this thing.

Appreciate all the help,
Brian

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Date: Thu, 22 Oct 1998 21:39:16 -0700
From: Bob Kennedy
Subject: Re: FTE 80-96 - How do you adjust idle speed?

If it's the EFI model, there is an idle screw underneath the black plastic
hood on top of the accelerator cable connector.

PRP wrote:

> I have an '87 F150 8cyl 5.0L 302 Lariat XLT. It idles really high. Any
> suggestions on what to check or how to adjust it? I am a weekend type
> handyman trying to save some money, and I am in the dark on how to
> approach it. I used to have an older vehicle and it took just the turn
> of a screw to adjust the idle. Well not anymore. Any and all
> suggestions would be greatly appreciated.
>
> Thanks,
> Paul Peters
> List newbie.
> == FTE: Uns*bscribe and posting info http://www.ford-trucks.com/faq.html



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Date: Thu, 22 Oct 1998 23:57:02 -0500
From: Ezekial
Subject: FTE 80-96 - Wrecked truck and getting new truck.

I have some bad news. I totaled my 1988 F-150 about two weeks ago. The
good news is that it isn't my fault, the bad news is it was a Chevy that
did it. I got hit at 70mph in the back of it and they guy didn't even
slow down. Then I hit the Chevy truck in front of me warping its frame
and shoved the tailgate into the bed. So my truck is pretty bad now but
I am doing a LONG term rebuild.

So I have to have something to drive. I am going to purchase a 1994
F-150 with ALL options. Its black, ext. cab, short bed, 4x4, with a
351, heavy duty transmission, off road package including all suspension
packages, factory keyless entry with alarm, 12 disc Pioneer CD changer,
new BFG All-Terains. The price is $13,000. And is in super mint
condition. So if any one wants to comment on this feel free to do so by
private mail or in the list.
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Date: Thu, 22 Oct 1998 23:16:37 -0000
From: "Radoje Spasojevic"
Subject: Re: FTE 80-96 - 90 F150 Surging

Is it carb or EFI?

Rade
- -----Original Message-----
From: Norm (Jack) Jacobs
To: 80-96-list ford-trucks.com
Date: Thursday, October 22, 1998 6:52 PM
Subject: FTE 80-96 - 90 F150 Surging


>Truck surges (revs up then down, to almost stalling, then up again) at
>different intervals when idling. On various occasions it idles and runs
>fine.
>
>At times hard starting other times not, doesnt seem to matter whether
>cold start or warm start.
>
>I have replaced plugs, wires, rotor, distributor cap and fuel filter.....


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