Mitsubishi FG15N:
fuel injector solenoid

I have propane up to the carb, can not get power to solenoid to open and let fuel into carb.Replaced solenoid as instructed. Will run on either.
  • Posted 12 Dec 2020 13:26
  • Discussion started by Keithwrench
  • New York, United States
Showing items 1 - 7 of 7 results.
Thank you for the help!
  • Posted 24 Dec 2020 10:26
  • Reply by Keithwrench
  • New York, United States
these did come with nissan engines in them, more than likely since it is a FG15N it would probably be the K21. Would need a serial number to be sure.
But what BLey said is correct, the ecm does control the injector if it is a newer model, the older ones had an LPG Injector driver module, those generally were Tier 1 and early Tier 2, they went away from that in Tier 2 and above eventually incorporating it into the ecm. (if your display has speed and direction indicators it is the newer display which would be late Tier 2 or 3).
You also want to check the Relay Box 2 and look at the EGI relays, they control several circuits power and if they fault out it can cause all sorts of issues. Cat had a recall on those and came out with a newer relay because of it. I'm sure Mitsubitshi did the same since the systems are the same.
As for your E-27 code that is a cam sensor not sending a signal to the ecm for a pre-determined time, an E-28 would be the crank sensor.
I'm surprised it isn't triggering an E-35 code since that LPG injector isn't working properly.
Oh and one other thing, check your connectors on your injector and fuel sensor real good, the wire harnesses in these trucks are bad about breaking wires at or near the connectors where the wires tend to vibrate the most. They changed the core wire in the wiring to a less stranded wire which makes them stiffer and more susceptible to breaking inside.
Cat came out with pigtail connector kits, i'm sure mitsubitshi also did.
  • Posted 21 Dec 2020 14:12
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com
If this has the K21 or K25 nissan engine the injectors are ecm controlled on the positive side. Injector should have ground all the time and then a pulse from the ecm on the positive side while engine is running.

Make sure you use oem cam and crank sensors as aftermarket sensors will either set codes or create a no start.
  • Posted 21 Dec 2020 09:58
  • Modified 21 Dec 2020 10:03 by poster
  • Reply by BLey
  • Ontario, Canada
It is sending an E-27 code sometimes, I replaced the harness and cam and crank sensors.
  • Posted 21 Dec 2020 09:18
  • Reply by Keithwrench
  • New York, United States
I checked the fuse and if I put power to the fuse and the selonoid opened, I cant get power to the fuse. Is it a harness or a relay or a computer that sends power to the solenoid?
  • Posted 21 Dec 2020 09:16
  • Reply by Keithwrench
  • New York, United States
Keithwrench,
this post is a few days old but was curious if you resolved this issue yet?
  • Posted 21 Dec 2020 04:14
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com
Are there any error codes, have you checked the small in line fuse in the positive wire going into Injector
  • Posted 15 Dec 2020 22:52
  • Reply by Chris_Hurlow
  • W.Glam,, United Kingdom
Trying my best

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