Cavvy Ecotec Idling/running problems

Hey guys looking for some advice on a problem here.

got a midly tuned X20XEV running standard induction. and she has all of a
sudden started idling erractically and cutting out every so often. one
other strange thing is that when you start her up she runs as if down on
power and the rev limit kicks in at 4k restart and she's fine ????????


Fixes tried so far.


Replaced split rubber pipe in inlet track(no leaks now)new idle control
valve
ran a pile of carb cleaner through the inlet as well as the T/B
Even tried some comma injector cleaner in the tank all to no avail


next course of thought is onto the lambda sensor but anythoughts guys before
i go shelling out ?????


Ta

Rob

 

Clean the ICV that will fix it follow the link to see how.


http://82.34.51.160/sytemsandsoftwaredevelopment/systems/automotive/How_to/G
eneral/ecotecidlevalve.htm

 

As per my first post i've fitted a spanking shiny new ICV

any other thoughts ?

 

crank sensor.

 

Do a full inlet clean including the jet on the inlet manifold to the
breather pipe to the cam cover