Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: marinis69 on 20 May 2008, 11:48:04

Title: Engine shaky ?
Post by: marinis69 on 20 May 2008, 11:48:04
Any one had a problem when the engine doesn't produce full power. At the begining one cilinder wasnt working at all. I have changed spark plugs, coil pack, and spark plugs. It seem got better but still its a bit slow and sometimes shaky. Any ideas what else might be? I thought about injectors but dont want to change them if it is not the problem.
Title: Re: Engine shaky ?
Post by: marinis69 on 20 May 2008, 11:48:56
and ignition leads :) as well
Title: Re: Engine shaky ?
Post by: Mike Collins on 20 May 2008, 12:07:19
Oil in plug wells?
Title: Re: Engine shaky ?
Post by: Dave-C on 20 May 2008, 20:01:22
Gunged up throttle body?  Grotty ICV?

 :-/
Title: Re: Engine shaky ?
Post by: marinis69 on 20 May 2008, 22:23:34
just have changed coil pack, ignition leads and spark plugs. no oil leak on plugs nothing. the engines starting to gain power just over 3000 rpm but on low its shaking and hasn't got much power. I had the same omega 2.5 v6 just cd model and it was like a roket, but this one seems to strugle a bit. Thinking about connecting computer at the garage maybe it will tell something.
Title: Re: Engine shaky ?
Post by: rickyboy on 21 May 2008, 12:43:43
Engine management light working ok?  Sounds like it's running in limp mode.  Turn the ignition on to position 2 without cranking the engine - does the light with the engine symbol appear?  With such a lack of power up to 3000rpm i'd imagine the light to come on.  
Title: Re: Engine shaky ?
Post by: marinis69 on 21 May 2008, 12:56:46
No light comes off. I have left the car for engine diagnostic today. Will see what computer say.
Title: Re: Engine shaky ?
Post by: JasonH on 22 May 2008, 15:05:57
If no fault codes show it could be a partially blocked exhaust - car will still run but power will be way down.
Title: Re: Engine shaky ?
Post by: doz on 22 May 2008, 15:11:03
EGR valve stuck open?