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.
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
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!!
Hey Jorge, did you ever figure this out? I'm getting the same codes