Clark C25CL:
Error Codes 0172, 0087

I've got a Clark with codes 0172 and 0087. It has a 2.4l engine. Its running rough and will surge at idle. Does anyone have any literature on this unit?
Any info on what these codes mean?
Thanks in advance.
  • Posted 4 Apr 2019 05:27
  • Discussion started by jorge_v
  • Arizona, United States
EVERYBODY needs a little help sometimes.
Showing items 1 - 4 of 4 results.
If your fuel system is Juniper
fault 87--- fuel pressure too low
fault 172-- running too rich, fuel trim lower than expected.
check fuel filter
Regulator output to injectors should be 1600 -3000 millibars.
Clark upgraded the regulator a few years back to a single stage regulator, which resolved rough running, faults, coolant loss into fuel stream and hard starts.
  • Posted 11 Nov 2019 08:12
  • Reply by tom_p
  • Alberta, Canada
fault 87--- Low fuel pressure on gasoline less than 55 psia
Fault 172----Adaptive learn for gasoline engine
above faults assumes a duel fuel PSI fuel system
  • Posted 11 Nov 2019 05:56
  • Reply by tom_p
  • Alberta, Canada
HAVE THE SAME CODE ON A C30CL.. ANY ASSISTANCE CLEARING WOULD HELP!!

WAS ABLE TO CLEAR 3 OTHER CODES WITH THE SWITCH AND PEDAL SEQUENCE BUT NOT THIS CODE...
HELP!!
  • Posted 7 Nov 2019 08:58
  • Reply by OSCARINATOTAY
  • California, United States
ITS A JEEP THANG...
Hey Jorge, did you ever figure this out? I'm getting the same codes
  • Posted 3 Oct 2019 03:07
  • Reply by Nick_Leabo
  • Arizona, United States

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