On certain transit buses built with cummins isl and isc diesel engines equipped with the cm850 fuel system, the engine high pressure fuel lines, from the engine high pressure pump to the engine fuel rail, are prone to failure.
Engine & cooling
New Flyer D30LF Engine problems by year
0 complaints filed with NHTSA about the New Flyer D30LF's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Engine recalls
On certain transit buses, hydraulic fluid can leak at the flange fitting due to improper installation procedures. Incorrect installation procedures may cause damage to the o-ring of the flange assembly, compromising the sealing capability of the o-ring.
On certain transit buses equipped with detroit diesel series 40 engines, the turbocharger can fail allowing lubricating oil to spill onto the engine.
Latest D30LF engine complaints
No complaints in this area yet.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data