98 Nissan Maxima automatic's RPMs sometime fluxtuate then turns off when at a light.

taino609

I've already changed the fuel pump, filter, regulator, n strainer, but it still happens, also replaced spark plugs, some times while driving at low speeds it also happens (tries to go faster, or slower)...

elias

idle air control valve .

synkrowe

Had a similar issue with our Mazda 6, it was based in the throttle body, was an ecu problem that Mazda was aware of and had to reflash the eprom at the dealership. Funny thing was it happened just days after I read the service bulletin so there was no way of them getting around it.
Check for SB's online and see if you can find any related issues for your Nissan