I have a 2003 CL9 and my idle plays up quite a bit.
What happens is that when idling it is fairly rough bounces from about 700-1k and drastically worse when aircon is on. It never stalls but being a manual the eratic idle makes it annoying (not hard just annoying) getting in to 1st gear. Also if i keep the revs up to 1k then it works perfectly. It also makes the car very loud but when driving normally all is good.
No just going to bounce a few ideas of everyone see what they think.
I put my stock airbox on a few months ago and it seamed to stop not sure if it was a placebo effect or actually worked. No the only thing i could think is that the vacum hose the is removed and put on the new CAI, Could this be a cause of rough idle due to not being fully sealed within the CAI and letting air from in the engine bay.
I have tried resetting the ECU and this did not work.
Could it be possible that the fuel pump is not pumping enough fuel in when idleing.
Any help or ideas would be great
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