2006 Holden Commodore hoden ve

Have you checked for vacuum leaks? When the AC is on, at what RPM does the engine idle?

About 900 rpm will air con on

All so has been on the computer to find the problem and computer finds nothing

How many miles are on the vehicle? When was the last tune up? Also, have you checked for vacuum leaks?

It has 98600 kms on the clock it was sucking air had the manafold fixed along with coils injectors last service was 4 months ago if that been told it could be a spark plug is this true been doing i brought it 12 months ago never sceen I have owned it I have never done spark plugs

It has 98600 kms on the clock it was sucking air had the manifold fixed along with coils injectors... last service would have been about 4 months ago if that...been told it could be a spark plug is this true been doing same thing since I brought it 12 months ago I never have had the spark plugs done since I have owned it owned it they done both manifold gaskets replaced one cam sensor had a misfire 2,4,6 was fixed camshaft sensor vacuum leak at manifold was fixed

Yes, it COULD be a spark plug.

had spark plugs done and fule flitter done the other day and it still does the miss with air con on only ever know and then and pulls l back when I get up to 80 to 100 kms when I put my foot down