N14 Plus
Oil
Severe
<5.5 mpg
>80k GCW
Normal
5.5<x<6.5 mpg
70-80k GCW
Light
>6.5 mpg
<70k GCW
1998 N14 Plus
CES 20,071 (CH-4)
22,500
35,000
45,000
1999 N14 Plus
15,000
30,000
40,000
CES 20,076 (CH-4 Plus) or Premium Blue
20,000
