Originally Posted by tjbischoff
All I can say is that the car used to idle evenly at about 700rpm. Now it will idle there and then dip 200rpm for a second or two speed up to 750-800 then settle back down for 10-30 seconds and repeat. THIS IS NOT NORMAL.
You're right--that's not normal. I thought you were just referring to rough idle, not RPM fluctuation. I have noticed some fluctuation in mine at higher altitudes (7000ft+), but that obviously shouldn't affect you in the midwest.
'12 SE Sport 5Dr |╠╬╝|SGM|203a|Moonroof|17" Paint/Mach Whls|K&N 57S-4000|FFE RMM|Steeda STB, RSB|JBR bushings
'01 ZX3|╠╬╝|Pitch Blk|Prem pkg|Moonroof|SVT Snorkel|SVT Susp|Steeda STS|Magnaflow exh