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1

Omega General Help / Re: Help Please!!!

« on: 25 February 2012, 18:54:44 »

Just to finish this thread and let you know what transpired.
 
First, I changed the plug leads and plugs. The problem was the same but the new plugs shed light on the problem. Number one cylinder wasn’t firing.  Also my first attempt at curing the leak from the left-hand rocker cover failed (bugger!)   

I obtained a replacement coil pack, installed that and had a second go at stopping the oil leak.  This was a much better day.     The car runs fine now and the oil leak appears to have stopped for now (those rocker covers really are crap!).
 
I would say to anyone faced with a similar problem that the work is not that difficult, just time consuming and fiddly.  A good ¼” socket set with a pivoting adapter and various length extension bars made getting the coil pack off quite straightforward. Also definitely read the guides on this site they are very helpful.   

Thanks again to everyone who replied to this thread.       

2

Omega General Help / Re: Help Please!!!

« on: 08 February 2012, 22:21:41 »

Hi everyone!

Thanks for the additional replies.

The ceramic hob on my cooker is good for checking if thing are flat. I will use that to check the covers. 

Also, Re smokingomega’s post. I have had a similar suggestion from a mechanic, that I described the problem to.  He said it could be the timing belt has jumped a tooth (how and why I don’t know  ).  I will go through the recognised electrical problems first, but I’ve got an open mind.

3

Omega General Help / Re: Help Please!!!

« on: 07 February 2012, 22:34:00 »

Hi Everone!
 
Thanks for all the replies to my post!

More or less confirm everything I had found from my research of older threads. Plus given me a couple of things to try.

I have ordered Rocker gaskets and seals and a set of Bosch super 4 plugs (£27 for 6).   I’m looking at a set of 8mm silicone HT leads for £45. There appear to be two different types of coil pack listed for the X25XE 2.5 (Pt No: 90541062 & 90511450) one is more expensive than the other for some reason.  Will have to see what is fitted to mine before I will know which one to get (if the plugs and leads don’t sort the problem).   I’ve ordered a Haynes manual as well.

I will let you know how I get on and thanks again for the advice. 

4

Omega General Help / Help Please!!!

« on: 06 February 2012, 23:40:25 »

Hi Everyone!
I hope some of you can help me with you expertise and experience

I am new to this forum and fairly new to Omega ownership.  I bought an 85000 mile, 1998, V6 Omega Elite about a month and a half ago.  It has been no trouble for the first 2000 odd miles apart from a bit of an oil leak. 
 
Two days ago it suddenly stopped being so reliable.   

On restarting after a brief stop, the engine immediately felt wrong.  It felt lumpy and down on power. Not so much a misfire, more like not running on all cylinders, however there was no engine light flashing a warning at me. 
I spent the evening trawling the Internet and thanks to this and another site found a lot of useful information. 

Checked my plugs and leads the next day and found the source of my oil leak.  The passenger side rocker cover was the culprit.  My plugs and leads have been marinated in oil for I don’t know how long. I sucked the oil out with a syringe and carefully cleaned each plug and lead. I didn’t see anything to make me recoil in horror, the plugs all appeared to be in reasonable condition and didn’t look old. I put everything back together and hoped for some improvement.  However a test drive revealed the same as before.

There are no clouds of smoke or loud mechanical noises. The engine is just way down on power right through the rev range and sounds lumpy, but still nothing from the engine management light.
 
I have ordered the parts to fix the oil leak, but I’m procrastinating about how to proceed after that.  While its in bits, I may as well replace the plugs (though the old ones look fine) and HT leads.  But I am suspicious of the coil pack too.
 
Wouldn’t coil failure cause the engine warning light to illuminate?   Would it be better to get a garage to run a diagnostic test, before I replace perfectly good components?  As the car is not worth very much, just taking it to a garage to fix is out of the question.  Anyway im quite capable of replacing a faulty part if I can find which one. 

Any thoughts and advice would be most welcome.

5

Newbie Welcome Area / newbie

« on: 06 February 2012, 23:29:12 »

Hi!
Just joined and hoping to for some advice about my 98 Omega Elite.  I will hopefuly post in the right place.