Need some help with fluctuating idle between 750-900RPM . It started the other day and will not stop . My car is burning tons of gas also . My O2 meter jumps with the fluctuating of the RPMs so I think it has to do with the fuel . Please help !
Mods are listed below .

 

Maybe this'll help, its given me some ideas...

https://www.rx7club.com/forum/showth...dle+hesitation

 

any more ideas ?

 

well, when ur idle is jumping, of course your A/F is going to jump also...i had a similar problem also, but all I did was replace the clutch switch and all my problems went away =) it might be your air pump also, since people say when your air pump goes out, your idle will fluctuate

 

I have to say It. It may be your MAP sensor. DO a Search.