Mitsubishi FG25N:
e43 code

hey has anyone ever dealt with this code? e-43 lpg air-fuel ratio malfunction the truck runs fine it did have a e25 code which is a oxygen sensor code i replaced the o2 sensor and the code for that hasn't come back on i was thinking the two codes were related, possibly the oxygen sensor was making the air fuel ratio out of wack but this e43 code came back on almost instantly any help is appreciated

pat
  • Posted 7 Sep 2017 01:21
  • Discussion started by Patrick88
  • Pennsylvania, United States
Showing items 1 - 2 of 2 results.
i appreciate the reply if i can make it back down to the customers tomorrow i will try this and let you know how it goes. sounds like you might of just saved me from a big headache!
thanks again
  • Posted 7 Sep 2017 10:15
  • Reply by Patrick88
  • Pennsylvania, United States
check the fuel pressure is in spec. Everytime I get this code it's out, get it back in and you'll be good.
I had clogged injector, dirty air horn/injector holder assy tar filled regulator - all fixed still wouldn't go away for longer than a few days. had the dealer come out and look at it they cleaned the stuff I did and ran a tas learn. next day code back.
i've already wasted lots of time with this, take my advice. A man named Jeremy helped me out on here so I'm here paying it forward. the lpg regulator has an adjustment under the tamper proof cover.
  • Posted 7 Sep 2017 08:13
  • Reply by stam
  • Ontario, Canada

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