At 08:47 AM 12/16/00 -0500, you wrote:
>I have a 98 DAK, 318, auto, CC with K&N filter, Dual 2/12 inch cat-back
>exhaust, 180 tstat, 3923 plugs and a JET2 performance chip.
>I'm idling at about 600 RPM and the engine is rough, like it has an
>occasional miss. Acceleration is OK, and at slightly higher RPM , it seems
>to smooth out.
>Should I raise my idle rate or is the engine just fooling me at 900 RPM?
>Thanks, Hugh
Idle rpm is controlled by the PCM.
600 rpm should be within the slightly low end of the range with your mods.
Have you taken the idle rpm without the JET2?
What is your plug gap?
Bob. Burlington, Ont., Canada.
'97 Dakota CC, 5.2L, 4x2, 3.92 SG, auto., 4265 lb.
Dyno: 231.2 rwhp 340.0 lb-ft rw torque
PB: 14.737 @ 91.75 9.364 @ 72.95
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