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Error Codes 0172, 0087

I've got a C25CL with error codes 0172 and 0087. It has a 2.4l engine and runs rough. Also surging at idle.
Does anyone have any literature on this unit?
Does anyone know what these codes mean?
Any info would be very helpful. Thank you in advance.
  • Posted 4 Apr 2019 05:38
  • By jorge_v
  • joined 20 Sep'14 - 13 messages
  • Arizona, United States
EVERYBODY needs a little help sometimes.
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Showing items 1 - 3 of 3 results.
Thanks
  • Posted 13 Apr 2023 08:57
  • By marcos_m
  • joined 25 Feb'19 - 114 messages
  • California, United States
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From the book

P0172 System too rich Programmable
%
KFLamAd higher than expected (1,25):
Engine, injectors or pressure reducer
out of spec.
Turn On MIL Open-loop
Limit torque 50%

P0087 Fuel rail / system pressure too
low 1700mbar Fuel absolute pressure lower than
expected Turn on MIL
  • Posted 13 Apr 2023 04:24
  • By andrew_k
  • joined 17 Mar'07 - 337 messages
  • England, United Kingdom
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Anyone figure out the issue for 172?
  • Posted 13 Apr 2023 01:41
  • By marcos_m
  • joined 25 Feb'19 - 114 messages
  • California, United States
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