The fuel injection pump in my 1986 Tempo is leaking fuel around the throttle shaft. There is also a lot of shaft play there, too.

Anyone have a good used one or know how to repair mine?

Ford and Mazda barely recognize the engine.

 

you need to identify which engine ford used. then research the injection pump. a bushing reseal kit should be available...

 

I know that the engine is a Mazda RF. I haven't found any markings on it yet to identify who made it. I've talked to a truck repair shop who tells me that the injection company they work with won't sell parts due to liability issues.

How hard can a simple repair be?

 

Something to think about,
the fact that a part or parts are worn and/or leaking tells you the pump should be removed repaired and recalibrated. You probably won't believe the difference when this is done. If the vehicle is alright other than the fuel pump problem, it should be worth the price to repair. Special equipment is required to do diesel pumps and many places have a "clean room" where this is done.You would think you are in an operating room because cleanliness is imperative with diesel pumps/fuel due to the close tolerances of the parts. Even the incoming air is filtered. They will definitely not tolerate any kind of contamination. Hope this helps to understand why the liability issue is there.

 

I didn't realize those things were that touchy. I thought that working on them would be more like rebuilding a carburetor.

Someone offered to sell me a pump that he had rebuilt for $700.00. I won't spend any where near that kind of money on it. The engine and front end are very good on it and I put new tires on it just before the pump started leaking but the body is a rusted mess. I only wanted it for the fuel mileage. At the time I was driving 150 miles a day as part of my job. Now I just hate the thought of junking a car that still has a good running engine.

 

What you can try,
get the name and location of the place the truck shops use to do their injection pumps and see what they would charge to repair the pump. Prices can vary depending on where you go. At least you might get some idea if it is as much as the $700.
I doubt that they would charge near that much to do your pump. There is a big difference between repairing a pump compared to replacing one.
Some places will only do the pump repair and others may do the complete job of removal and reinstalling, so maybe you can save some $ if you choose to remove and reinstall it yourself.

 

if you have or can get the pump type and model. you might be able to replace the throttle seal.. which is a common location injection pumps leak…
the throttle seal is a quick and moderate fix…
my '83' ranger took an hour to clear junk from around the pump and about forty minutes to do the repair… as i had one screw that was in a spot that was difficult to reach with the tools i had available to me…
the part, an 'O' ring, which i was able to purchase at a cat equipment company… cost of the part, $0.60. sure beats the common cost of $700. + for a pump overhaul.

 

I think you are mistaken in believing the overhaul would cost $700.00.
That is most likely the price for another whole rebuilt pump assy.
Diesel pumps are not cheap, but to have them rebuilt is a heck of a lot cheaper than replacement.
Parts do wear internally in diesel fuel pumps and that is why they get recalibrated. It does improve performance, without a mileage penalty.
That pump is the heart of the fuel system.