AU Falcon revving up by itself

[au1985]

My AU Falcon has started this new thing of revving up itself, what really brought it to my attention was when I was creeping along slowly into a parking space and the car just jolted forward (and i definitely didnt touch the accelerator lol), it doesnt rev up very far just maybe a little over 1000rpm but it does move the car forward quite a bit (also happens in reverse), I can also feel it trying to do it when the brake pedal is depressed, it can come a little shock if and a little dangerous if someone didnt know about it, I'm totally baffled by this so any help would be greatly appreciated

Thanks

[smoo]

It will be your idle control valve ontop of your throttle body. When it is buggered it will do this when a load is placed on it at idle, turning on A/C or turning the steering wheel. You could try cleaning it out, get a new one or disconnect it, as yep it is quite dangerous when trying to park.

[sd1800]

I had the same problem where it would intermittedely decide it wanted to idle at 1400rpm in neutral and about 900-1000rpm in gear. Is quite commonly a ISC issue and mentioned above, however my problem was the Throttle Position Sensor (TPS). Picked up a spare from the wreckers and it hasn't done it since.

[au1985]

thanks guys for your replies, what would be the best stuff to clean out the idle control valve, as i will try that first,

Thanks