RPM oscilate .... Re: Reseted fault, OK, NOTHING changed

[tihol tiholov]

Monsieur Denis a dit (said):
>The car was ok for couple hours yesturday, but still non power. Then
now, and sometime, it oscillate.

>There is what it does:
>When it idle, the engine rpm up until some equilibre point then cut the
gaz until it reach a lower speed, then again speed is to low and it RPM
up again until .....

Maybe Idle/WOT switch, esp. the WOT part? or Oxygen sensor? BTDT both

TT