High Revs!!!!

[Smilfy]

okay, after takin the car off road for a month and doing a full service, head gasket change and cam belt change it was finally time to get the car running again, built it all back up, all sensors and plugs connected... checked, and checked again, we took the HT leads off and turned the engine over, just to make sure there were no nasty knocks or bangs from the timing been out, everything was fine, so re-connected the HT leads and started the engine, "Vroooooom" engine started more or less straight away but revs went straight up to about 3000/3500 revs and held there occasionally going higher then dropping back to about 3000/3500 revs Grrr cannot figure out what is wrong, all sensors, and all plugs are all correct,all vacuum pipes are connected, manifold is tight... i dont understand why such high revs, any help is very much appreciated
thank you in advance, smilf

 

[cliort75]

Silly question, but throttle cable stuck somewhere?

 

[Smilfy]

nope, checked cble and throttle boddy, body is fully closed
we left the engine at these revs for like 1minute MAX and the exhaust manifold was just glowing a bright red!!, some serious heat coming from somewhere

 

[Smilfy]

anyone at all help, come to the conclution it must be either the idle control valve, broken vacuum pipe, or MAP sensor?

 

[sideways danny]

sounds FAR to much like an air leak to not be IMO

 

[cliosportap]

the engine getting air somewhere else
or check the idle control valve and its cable