Idle problem

[Davescoobywagon]

Please please can any one help with this I have installed a new idle air control valve it solved the engine check light I had on it but now it idles down to the right Position then when you tap the gas pedal it then revs upto 2 grand then comes bk down slowly engine light comes on then drops bk down to normal position and the engine light goes off 

can anyone help 

[ROSSCOSM]

Maybe your throttle body is sticking or something not to sure sorry

[Davescoobywagon]

Cheers bud will take it off and clean that didn’t think of that thanks of answering 

[Neil]

Also check throttle cable not sticking and runs freely 

[Davescoobywagon]

Thanks bud will check that too