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1

Omega General Help / Is the problem my EGR Valve? or something else?

« on: 28 June 2020, 13:53:38 »

I have a Vauxhall Omega 2.2 DTI CDX year 2002 Saloon (or could be 1999 as the first reg on logbook says april 2002 but the original reg starts with a V so could be 1999 showroom then first reg in 2002 private plates?).
Anyway, I hope you guys can help me please?
The symptoms: loss of power when driving/ going uphill, EML comes on and off, revs counter drops to zero for a few seconds but still drives, then comes back on just like EML going on and off, sometimes engine cuts out completely like a stall (usually at the worst place on the road ), leave it switched off for a few minutes then restart and all okay till next time some kms down the road. Seems to drive much better when cooler weather but when hot weather (30C or over for example) it is much much worse. When I stop if it has been playing up then sometimes white/blueish smoke coming out of the exhaust. Do I need to change my EGR valve? if yes, which one is it as I see many models of EGR valve on car parts sites for my car. How can I know which one to order please?
Please forgive my maybe amateurish description as I am not a knowledgeable mechanic but the local garage wants to charge me 2000 euros to fix it! (maybe they see a woman and assume stuff? or maybe, as I am in France, they see an English woman which is even worse!).... So I thought the best thing is to come and ask you guys as you have always been so helpful and knowledgeable in the past - help please!!!! I love my Omega!

2

Omega General Help / Oil leak

« on: 14 August 2019, 16:41:35 »

Hi guys, I have a 2002 Omega diesel, 2.2L manual saloon CDX model. My Omega has been difficult starting for the past month. Last month I topped up my oil. Computer has been saying check oil level which I finally did today. I found oil level was down to minimum which means around one litre of oil has gone in past month (i dont do much distance driving). When I opened bonnet today to check oil I saw there is an oil leak on left hand side of engine block. From where could this be coming? The oil pump? Please help? Thanking you all.....

3

Omega General Help / Swirl valves

« on: 17 January 2018, 22:46:06 »

Hello Everyone...turning to you for help please. My beloved Omega, 2.2cc DTI Saloon year 2001...started to run so badly it became impossible to drive. The Engine Management Light came on and I seeded to have lost all compression and couldnt get any speed up even with my foot to the accelerator floor. So limping back I asked a mechanic to come round (not my mechanic but a friends as I was staying with her for a few days). Anyway he put his diagnostic reader on it and then messed about cleaning a little sticky oil from top of the edges of the EGR pipe and opened up the air inlet pipe and kept telling me the problem was not enough diesel in my car. Highly suspicious of his diagnosis I duly bought and put diesel in but it made no difference.Then he insisted that my petrol gauge was faulty which it had never been before. Finally he told me the car was fixed so I paid  him (a lot of money) and he left. I drove off to go home but it broke down exact same as before after about 5 hilly miles so I limped back to my friends and called mechanic back. A few days later he arrived and re fixed the car.  In short he came back five times and after each time announced my car fixed. I drove one minute or less each time and the EML came back on and exact same symptoms. Finally many days later and on his fifth fix he said it is okay and I was able to drive well back home 50 miles. Next day it drove okay and I did about 20 miles in total. Next day it starts to run rough again. The mechanic had told me that it was the swirl valve that was at fault and this had shown on his diagnostic. He said to fix it finally he had waggled the little lever where the swirl valves are and that had freed them from carbon. He told me I needed to replace a swirl valve. He said that if it ran rough after a cold night that I should waggle that swirl valve a bit till the new valve was replaced. Anyway so now miles away from this mechanic it is now when idling showing the revs going up and down from 200 revs to 1000 revs and back down and up again. It had never done this before. EML is on again sometimes but when I get into fourth or fifth it is running okay. Anyway I spoke to my own mechanic who I trust a lot and he told me the swirl valve is clogging up. He tried to tell me on the phone how to find this lever to jiggle the valve but I cant find it. He also said that he thinks the swirl valves are a nuisance and suggests that when I get to him he will disconnect them in such a way that they remain open but the EML will not know this so wont show up but the EML will come up for all other problems in the future (which is what I want). My mechanic I trust but he is 50 miles from me so we have made an arrangement for him to do my car when I am near him which is in a month. In the meantime he said it wont do any harm to drive my car as it is. I am concerned the plastic top on the swirl valve wont break off and drop in the engine and break it completely which is something I have read on google. Basically can anyone give me an idea how to find the swirl valve lever to waggle it as I cannot feel it with my hand despite lots of trying and also what are your opinions on disconnecting the swirl valves completely. Are they really a nuisance or are they necessary? And any other thoughts on this please. By the way my mechanic looked up the friends mechanic and has found out he is supposed to be a ditch digger and not a mechanic but that is by the by......any and all help much appreciated. I already paid a lot to the last mechanic who doesnt seem to have helped at all and I very much would like to keep my Omega going as I love it so much....it is my first Omega and I really hope it is just this swirl valve problem? Any ideas anyone please? Do I need to replace these swirl valves which my mechanic says will be costly or is detaching them the best route to take? Thank you everyone....

4

Omega General Help / Alternator belt has come off and a giant cog sheared off

« on: 05 September 2017, 16:37:33 »

Hi Guys
Once again I need to ask for your help and advice. I have an Omega 2.2 diesel 2001...my first Omega and I love it! Anyhow I parked it pu fine yesterday with no issues. Today I started the car and there was no power steering.....and the battery light was up red - so I turned off engine and opened bonnet. I saw that the alternator belt (I believe it is?) has come off its seating and a big cog or wheel, that has an outer metal and inner rubber centre, that sits in engine at front below another cog / wheel. I think this is the crank pulley. The centre rubber bit has sheared off come away completely. I have attached four photos if this helps. Can anyone advise me please? Thanking all of you in advance.    OK I have four photos to attach to this post but I cannot see how to attach them here - if anyone can advise me on that too please...I have them jpegged on my laptop that I am using to post this here. I have tapped on the left hand button up top that says it is for insert image and all it gives me is so I dont know what I am doing wrong here. I am pretty new to this forum is my only feable excuse. Thank you for all of your help.

5

Omega Electrical and Audio Help / electrical fault with air conditioning, front and rear windscreen demister, fan

« on: 21 June 2017, 01:55:50 »

Hi I am new to this forum and recently became a first time Omega owner. All was working fine but suddenly and without any warning or reason, my air conditioning and fan and front and rear windscreen demisters stopped. At the same time the radio and cd player stopped working too. I found out that it had lost its code for some reason but when I re input the code all works fine there. So now I am left in very hot weather with no air conditioning and the the other stuff as mentioned above. I understand that all these things are on the same circuit so it is obviously I think an electrical fault. I have checked the fuses and they are okay. I asked in the local garage but he seems very reluctant to take on the job. Does anyone please have experience of this and can advise me. I have an Omega 2.2 diesel reg 2002 DTI....which I love and call the Presidents car. I dont have a workshop manual for this vehicle and wondered if anyone knows where I can get one please? Haynes dont seem to do one. If I had a workshop manual or at least the pages relating to this problem then I could go ahead and check the relays and then the wiring. Many thanks for all your help.