Injection pump failure modes
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Mountain Pass
Joined: Feb 2005
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From: APPLE VALLEY
Injection pump failure modes
Three and one half years ago I got a 89 donor van for the engine. I got no history. I have now added sixty five thousand miles. Should I be worrying about the pump? What are the failure modes?
I have two used pumps and one seal kit. There seems to be a rather large number of models of this pump type. I have the diagram in the Ford manual and the instructions that came with the seal kit. I do not have a description of operation. And then there is that thing referred to as a regulator on top of an injector.
I have two used pumps and one seal kit. There seems to be a rather large number of models of this pump type. I have the diagram in the Ford manual and the instructions that came with the seal kit. I do not have a description of operation. And then there is that thing referred to as a regulator on top of an injector.
Thread Starter
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Mountain Pass
Joined: Feb 2005
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From: APPLE VALLEY
The regulator is on the injector on the second cylinder on the drivers side; I don't remember how the cylinders are numbered. You will notice that that injector seems to be taller than the rest. I have not found a functional description of it. I'll post a picture later.
Senior User
Joined: Feb 2005
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From: Tillamook, Or.
Numbering is #1,#3, #5, #7 front to back on the passenger side and #2, #4, #6, #8 front to back on the driver side.
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Joined: Feb 2005
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From: Tillamook, Or.
Gas engine timing lights are based on spark ingition, we use compression to generate heat for ignition. Your gas timing light is a waste of time. Here is a link to the Stanadyne Time Trac site, but be aware---- These are no longer manufactured---- I bought mine on E-Bay.
Stanadyne Corporation - Home Of High Quality Diesel Fuel System Components
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Mountain Pass
Joined: Feb 2005
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From: APPLE VALLEY
Can I insert a pic, and if so how?
Meanwhile, it is here:
Picasa Web Albums - Ray - Screen shots
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Senior User
Joined: Feb 2005
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From: Tillamook, Or.
Correction, it is called a line pressure sensor.
Can I insert a pic, and if so how?
Meanwhile, it is here:
Picasa Web Albums - Ray - Screen shots
Can I insert a pic, and if so how?
Meanwhile, it is here:
Picasa Web Albums - Ray - Screen shots
I stand corrected, line pressure sensor is correct. Mine is sitting on my desk as I write this and if my camera batteries hadn't died I could show you what they look like when you wish your truck was running.
To post images I go here:
TinyPic - Free Image Hosting, Photo Sharing & Video Hosting
Then just follow the instructions. I don't have a digi camera that takes small pictures so mine end up being bigger than the text area of our forum, but it works.
P.S.
Tinypic has a feature where you can resize to fit message boards and my wife showed up with her camera, so here are the pics:
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Senior User
Joined: Feb 2005
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From: Tillamook, Or.
Good question, if we keep this thread alive maybe one of the guy's that has access to digital copies of factory manuals will post "The Rest of The Story"
My understanding is that it senses the pulse of fuel, this is picked up by the timimg tool. Then it gets much more complicated than a gasser because there is a timing offset between the time that this pulse happens and the actual injection timing. At that point we need to have an expert chime in to explain the theory but there are lots of threads here if you do a search. here is one that I bookmarked for the same reasons.
https://www.ford-trucks.com/forums/7...ht-lesson.html
Elder User
Joined: Jan 2008
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From: Guymon
I hope someone knows. Surly its not just on there to be there!!! If its called a sensor, I wonder if it generates a minute amount of current or magnetic field that the pickup for the timming kit can sense. Looked for atleast 45 minuts online and found nothing but a part number and cost. (which was $100).
NEWR, I have to ask, Whats that big black thing in the left of pic in back ground. Its driving me absolutly MAD cause Its all fuzzy and I can't figure it out.
I will probably feel stupid when I find out what it is.
NEWR, I have to ask, Whats that big black thing in the left of pic in back ground. Its driving me absolutly MAD cause Its all fuzzy and I can't figure it out.
I will probably feel stupid when I find out what it is.
Senior User
Joined: Feb 2005
Posts: 294
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From: Tillamook, Or.
I hope someone knows. Surly its not just on there to be there!!! If its called a sensor, I wonder if it generates a minute amount of current or magnetic field that the pickup for the timming kit can sense. Looked for atleast 45 minuts online and found nothing but a part number and cost. (which was $100).
NEWR, I have to ask, Whats that big black thing in the left of pic in back ground. Its driving me absolutly MAD cause Its all fuzzy and I can't figure it out. I will probably feel stupid when I find out what it is.
NEWR, I have to ask, Whats that big black thing in the left of pic in back ground. Its driving me absolutly MAD cause Its all fuzzy and I can't figure it out.
I will probably feel stupid when I find out what it is.The big black thing in the back ground is a miniature thermo-nuclear device packaged and ready to send to Denver. ---- OR, the front of a stationary bicycle with a blanket thrown over the top, you choose.
Elder User
Joined: Jan 2008
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From: Guymon
I think you are correct about the sensor. The Time Trac connects directly to it and picks up the pulse of fuel so it has to be a slight presure to current conversion, I'm thinking that it has a small coil inside the metal outer cover, (Think Transformer Winding)
The big black thing in the back ground is a miniature thermo-nuclear device packaged and ready to send to Denver. ---- OR, the front of a stationary bicycle with a blanket thrown over the top, you choose.
The big black thing in the back ground is a miniature thermo-nuclear device packaged and ready to send to Denver. ---- OR, the front of a stationary bicycle with a blanket thrown over the top, you choose.
Wrong black thing. The thing Im asking about is to the LEFT of your hand in the picture. Looks like it has large gray and silver base. AHHHHH. Can't figure out what it is.... Im going maddd. I not going to be able to work tonight.Thanks.
Thread Starter
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Mountain Pass
Joined: Feb 2005
Posts: 127
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From: APPLE VALLEY
Three and one half years ago I got a 89 donor van for the engine. I got no history. I have now added sixty five thousand miles. Should I be worrying about the pump? What are the failure modes?
I have two used pumps and one pump seal kit - which is mostly a bunch of O-rings. There seems to be a rather large number of models of this pump type. I have the diagram in the Ford manual and the instructions that came with the seal kit. I do not have a description of operation.
I have two used pumps and one pump seal kit - which is mostly a bunch of O-rings. There seems to be a rather large number of models of this pump type. I have the diagram in the Ford manual and the instructions that came with the seal kit. I do not have a description of operation.