Most of the ignition system components have remained the same for all NG6
engines for 2007. There are some
minor changes to the ignition coils that apply to all versions. The coils have
been optimized for more durability.
Spark Plugs
The spark plugs for the N51 and N52KP remain the same as N52. Ho
NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the throttle and the air
cleaner or on the air cleaner.
Test precondition:
The correct fuel pressure reg