In case anyone else is curious, I acquired a 13405-61012 flywheel (From a GCC 3F/H150f FJ80), compared to 13405-69015 (2F) the only difference is the 3F flywheel has less material on the engine side, so it has a bit less mass. Functionally...
I see the picture and understand where you hook it up at but how is it connected? Is there a banjo bolt conntion in the pressure guage? Do you have a picture of one I can see to reference from?
Hello all.
As a long time fellow 3FE owner, I have spent a TON of time going over this engine to make it run its best. There are not many sensors to make it happy, but refreshing the system still takes a while, especially when you have to hunt...
Here is some 3FE parts tech that may be helpful.
https://forum.ih8mud.com/threads/3fe-sensor-tech-part-numbers.1317458/
Edit, glad you got it fixed! :D
Hallelujah! Seems I’ve fixed it.
- New fuel filter
- Timing was way out. Looks like someone timed it without jumping TE1 and E1 pins and so it was very retarded
And, most importantly:
The O2 sensors were backwards.
This thing has a custom...
Glad to see you’re still posting Jon. Read many of your posts on the 3FE subject.
With the VSV removed (as it was on my last 3FE, which ran great), this would have the engine tending slightly rich due to the added fuel pressure, no? One would...
The 3FE doesn't have a fuel pump resistor. The only interaction between the fuel pump and the ecu is the VSV for the fuel pump regulator which you say has been removed.
The FP is run by the flap in the AFM and the starter circuit.
Lord, Maine up through the Maritimes is just heaven on earth to me. That used to be my Columbus Day annual road trip journey.
Fantastic.
As sidenote I'm heading east soon and was going to take the Dorena-Hickman Ferry but see it's closed due...
Misc. thoughts:
If it runs well with the O2 sensors unplugged, it must be lean under closed loop (O2's plugged in), as O2 unplugged must be a rich (safe) map? How rich I wonder?
As I understand, there is a fuel pump resistor that is sometimes...
Short Version:
3FE with questionable maintenance history and a running issue under closed loop. Runs great with O2 sensors unplugged and no obvious vacuum leaks. Plugging in O2 sensors introduces the hesitation issue.
Issues:
Hesitation/poor...
Hoping for some help from 3FE gurus, and/or early Denso (Bosch) fuel injection gurus. I've attached a .pdf of the 3FE engine control wiring diagram for reference.
The Long Version: (Short Version to follow in next post)
Basically, my 3FE...
The running issue I was having manifested itself a few times on this trip.
Basically, the cruiser felt like it was running lean under most conditions. Then, when floored or brought above 2800rpm, it would run fine. A couple of times it stalled...
Took it on its inaugural Maritime Land Cruiser Cape Breton trip! 6 days, 5 nights through the Cape Breton highlands. Lots of snowmobile and ATV trails, service roads, nice views and good mild to moderate four wheeling.
Started off at Big Spruce...
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