Idle fluctuation

[shinny930]

I have a 1991 NSX that just the other day after letting the car warm up, the idle started to flucatuate between 500-1000 RPM. It runs normal above idle eith no problems.
I had a set of Cantrell headers install 3 months ago and used the old O2 sensors, but never had a problem. Any suggestions ?
Steve

 

[Scin]

This can usually be fixed by cleaning the throttle body. There are several threads on how do do this in the DIY section.

 

[shinny930]

Thanks for the info will check out DIY.
Steve

 

[10Blade]

Same problem a couple months ago. Cleaned the throttle body. Problem solved. I love that.