Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: postiecol on 09 October 2008, 22:06:03

Title: omega 2.0 16valve w plate
Post by: postiecol on 09 October 2008, 22:06:03
hi guys...anybody any idea why my mig is idoling eratically when i start from cold. Also the lights internal and external dim and then go bright as the engine idols eractically. After a minute or so everything returns to normal :-/
Title: Re: omega 2.0 16valve w plate
Post by: RobG on 09 October 2008, 22:19:08
On my mini-facelift it was the SAI knacked :)
Title: Re: omega 2.0 16valve w plate
Post by: postiecol on 09 October 2008, 22:36:20
sorry excuse my ignorance.... whats that?
Title: Re: omega 2.0 16valve w plate
Post by: RobG on 09 October 2008, 22:37:55
Secondary air pump. Lives under the front passenger wing. Disconnect and see if it makes any difference :)
Title: Re: omega 2.0 16valve w plate
Post by: postiecol on 09 October 2008, 22:47:49
thanks, will have a look....something was making a weird noise there not so long ago and then it all went quite.....
Title: Re: omega 2.0 16valve w plate
Post by: rickyboy on 10 October 2008, 11:09:53
Quote
hi guys...anybody any idea why my mig is idoling eratically when i start from cold. Also the lights internal and external dim and then go bright as the engine idols eractically. After a minute or so everything returns to normal :-/

Clean the throttle body, Idle Control Valve and all breathers and that should sort the idle problem.  There is a guide in the maintenance section.
Title: Re: omega 2.0 16valve w plate
Post by: bigdods on 10 October 2008, 13:36:38
Quote
On my mini-facelift it was the SAI knacked :)

Same here, my old mini facelift used to make a horrible noise due a knackered SAI fan. It comes on for about 30 or so seconds when the car is first started from cold. Mine didnt just make the lights go dim and bright it made the revs leap about as well from down to stall speed (about 200rpm) up to about 1000rpm then repeat. Just unplug it. It serves no useful purpose.