1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

External fuel pump

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  #601  
Old 07-22-2016, 02:06 PM
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Good question, Gary. Let me check.

Originally Posted by Gary Lewis
No numbers visible?
 
  #602  
Old 07-22-2016, 02:08 PM
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Originally Posted by sgauvry
Here a pic of one laying on the back side, and going from side to side. Note the two little inlets to the upper center (left) of the unit.
I also have this thing he is describing, I think. I can try to take a picture of it later.
 
  #603  
Old 07-22-2016, 02:09 PM
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E5TE-9E453-AC


Originally Posted by Gary Lewis
No numbers visible?
 
  #604  
Old 07-22-2016, 02:14 PM
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Bingo! E5TE 9E453-AC is the identification # for part # E5TZ 9E453-B.



 
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Old 07-22-2016, 02:14 PM
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Here's a better pic of one upside down. The bolts go through the wheel well.

Originally Posted by Gary Lewis
No numbers visible?
 
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  #606  
Old 07-22-2016, 02:16 PM
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Originally Posted by sgauvry
Here's a better pic of one upside down. The bolts go through the wheel well.
I think it was designed to cover the hoses, etc and be a vacuum reservoir.
 
  #607  
Old 07-22-2016, 02:19 PM
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Those are new to me. And, Ford's master parts catalog does not have an illustration for it in an '85 F-series.
 
  #608  
Old 07-22-2016, 02:31 PM
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May be. It may be it was designed to cover the solenoids.
Originally Posted by c2z4s9
I think it was designed to cover the hoses, etc and be a vacuum reservoir.
 
  #609  
Old 07-22-2016, 04:45 PM
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Yes, that is peculiar to the 1985.5 and 1986 EFI 5.0L system.
 
  #610  
Old 07-22-2016, 06:43 PM
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Happy I can share something (finally) that I know a little something about!

Originally Posted by Gary Lewis
Those are new to me. And, Ford's master parts catalog does not have an illustration for it in an '85 F-series.
 
  #611  
Old 07-22-2016, 07:03 PM
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Sqauvry, do you also have a little black death star vacuum reservoir? I have both the one you show and a death star; they are right next to each other. I'm not sure if this was stock or added after.
 
  #612  
Old 07-22-2016, 09:01 PM
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I do not. Question for you though: Is it your "death star" that is in use or the original?

Originally Posted by c2z4s9
Sqauvry, do you also have a little black death star vacuum reservoir? I have both the one you show and a death star; they are right next to each other. I'm not sure if this was stock or added after.
 
  #613  
Old 07-22-2016, 10:26 PM
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Original ID/N E5TE-9E453-AC, this part has a check valve built into the reservoir. So if Steve blew high pressure into the Intake manifold side of the reservoir, he most likely popped the check valve diaphram.

He can put an inline check valve in the right direction, attached to the “Red” hose to fix this issue.
 

Last edited by vjsimone; 07-22-2016 at 10:26 PM. Reason: Modify text
  #614  
Old 07-22-2016, 10:44 PM
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Originally Posted by sgauvry
Vincent -

The new O2 sensor is in. I grounded very near the sensor to the exhaust flange that connects on of the headers to a pipe, and to the frame. I filed the frame to ensure good contact. Reading is a constant .2.

Codes are still 41 and 34. I'm going to take it for a ride and test again. I'll let you know if the results change.

By the way, if you remember there are two hoses that connect to the vacuum reservoir, one red, one black. Can't remember if we determined yesterday if there is suction in the red hose. There is plenty of suction. I tested it.

I can hear the replies now...



Steve
Yes, the "Red" hose has the vacuum on it, it leads to the intake manifold vacuum cluster via the Quad vacuum coupler just to the bottom right of the Reservoir/Solenoid cluster in question.

The “Red” hose goes to the taller plastic port/hose connection on the Reservoir. Normally you can suck on that tit, but you cannot blow into it.

You could put an in-line check valve in the right direction, attached to the “Red” hose to fix this issue. They are available via any auto parts shop. You just need that valve, and 1 piece of hose to make it fit.


 

Last edited by vjsimone; 07-22-2016 at 11:31 PM. Reason: Modify text
  #615  
Old 07-22-2016, 10:52 PM
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Originally Posted by subford
CM codes do not clear so you must be talking about the KOEO or KOER code 34:

Service Code 34 in Key On Engine Off or Engine Running Self-Test indicates that the EGR valve and/or EGR Valve Position (EVP) sensor may not be fully seated in the closed position. The EVP sensor voltage is greater than the closed limit voltage of 0.67 volts. Because of the preload on the installed EVP sensor, it is very difficult to determine whether the EGR valve is seated or the EVP sensor is in contact with the EGR valve stem.

Possible causes:
-- Poor continuity in EVP sensor harness.
-- Non-seated EGR valve.
-- Damaged EGR valve.
-- Damaged EVP sensor.
-- Damaged EVR solenoid.
-- Damaged processor.
His current Code 34 issue is that he has no vacuum to the EGR during the KOER Self-Test.
 


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