Did my injection pump die?
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Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
Did my injection pump die?
I pushed in the clutch in to come to a stop and the engine revved up to about 1800 rpm. I hit the throttle a couple times thinking the cable was stuck. It felt weird, like the cable was binding. Then the pedal kinda popped and the engine shut off. I checked the cable and it is intact and functioning. FSS clicks when disconnected. Cranks fast, no smoke from the tailpipe. My Facet E pump is pushing plenty of fuel to the injection pump.
AFAIK, about all it can be is the injection pump. Any other suggestions?
AFAIK, about all it can be is the injection pump. Any other suggestions?
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Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
I'm not near the truck right now so I can't try that. I have a parts engine that I took the pump off of and I will swap them out tomorrow. Any more input on the matter would be appreciated.
Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
I wouldn't go snatching the pump without some initial diagnosis, unless you're looking forward to the adventure of timing it. Given the sequence of events, I can't help but wonder if the arm that the accelerator cable engages might have somehow come loose from the shaft it turns on the pump. Yeah, you confirmed the cable is alright, and presumably it's pulling the armature. But is it actually rotating the shaft (sorry, I'm not sure exactly what that shaft is called)?
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Post Fiend
Joined: Nov 2005
Posts: 7,437
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From: Charles Town, W bygod Va
It is. This shaft goes all the way through the pump and is rotating on the side where
the TPS. mounts. ( I know Ford doesn't call it a TPS. but almost every bOdy else does. .. why
does FOrd have to be different? )
the TPS. mounts. ( I know Ford doesn't call it a TPS. but almost every bOdy else does. .. why
does FOrd have to be different? )
Postmaster
Joined: Dec 2004
Posts: 2,941
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From: Maple Valley, WA
Sounds like maybe something in the governor assembly came apart and bound up causing the input shaft to shear....Maybe a flyweight came out or something... Either way, it was a freak incident, not common for sure...
No weird noises or vibrations before it shut off?
No weird noises or vibrations before it shut off?
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Post Fiend
Joined: Nov 2005
Posts: 7,437
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From: Charles Town, W bygod Va
It was the pump. I swapped it with one off an old motor and its running again. The old one feels like the input shaft sheared. Would it still be a good core if tbe used one I put on is as worn out as I think it is?
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Postmaster
Joined: Dec 2004
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From: Maple Valley, WA
Depends on what caused the input to shear. If its hydraulic head related, it renders the core nearly useless, if it tore up a bunch of governor related parts, or the housing, same deal, but if something just got wedged in a freak accident, and nothing is severely damaged but the input shaft, it can be a good core.
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Post Fiend
Joined: Nov 2005
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From: Charles Town, W bygod Va
The truck seems to run pretty good. I dont have a timing meter. I just left the lines attached when I pulled it off the old engine. When the old engine was in my truck it smoked really bad when it was cold out. I can't remember how it was in warm weather but it had a bad exhaust valve and I figured the pump was on its last leg with all the smoke... fingers are crossed. If I need a pump I was going to go with one from RandD. I'm not sure if the smallest one you sell would be good for a N.A. truck though. If I do turbo it down the road it would probably be a used banks or factory.... whatever I can find cheap.
Laughing Gas
Joined: Jan 2010
Posts: 1,055
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From: Surrey, BC, Canada
If he did, he'd have at least one up here.
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