As far as the air management system on the N52KP and N51 engines is
concerned, the previous intake manifold
system on the N52 is carried over. Depending upon application, the engines will
use the 3-stage DISA or the
single stage (No DISA) intake manifold.
For more information on the DISA system r
The DISplus/GT-1 are helpful in pinpointing the cause of an engine misfire.
Once the short test is completed,
the fault memory of the ECM can be read out to determine which cylinder or
cylinders have set misfire faults.
There may or may not be any faults present. The engine could be running rough