Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: Lesopc on 12 February 2011, 12:34:23
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Hi guy's, i seem to keep having problems with the temperature gauge on my 2.0. It usually doesn't react for the first 5 or so minutes after startup (usual in order to reach operating temp) but then it shoots to the centre of the dial (90 degrees?) quickly like it has just got a sudden reading. It then stays for 1 to 2 minutes then the reading drops off as suddenly as it first came on.
Is this common?
Is there a specific part responsible?
Obviously i don't want to drive it forever with no temp reading the majority of the time as i may not know until it's too late if it decides to overheat one day.
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I am no expert on Omegas (far from it) but the temp gauge needle on my Omega CDX should reside at a 45 degree angle from the horizontal. If its at 90 degrees from the horizontal that's at the top of the gauge in the red ? Has the 2.0 version got a different layout ?
http://carphotos.cardomain.com/ride_images/1/1102/1001/2753000022_large.jpg
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I am no expert on Omegas (far from it) but the temp gauge needle on my Omega CDX should reside at a 45 degree angle from the horizontal. If its at 90 degrees from the horizontal that's at the top of the gauge in the red ? Has the 2.0 version got a different layout ?
No, i believe that i have made myself misunderstood. The needle goes up to 95 degrees centigrade, which also translates as the 45 degree angle on the dial. Hope this helps.
http://carphotos.cardomain.com/ride_images/1/1102/1001/2753000022_large.jpg
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Back of the engine, there`s a casting that the EGR is bolted to (and dispack if not DBW) Single wire push connector controls actual gauge, connector adjacent sends temp info to engine ECU
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What he said ^
(http://images.omegaowners.com/images/guides/2.2_useful_pics/Tempsenders_resize.jpg)
Sounds like the connection is intermittent, and wouold benefit from a clean-up, pinch-up sort of thing.
Access is the only difficulty. ::)
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What he said ^
(http://images.omegaowners.com/images/guides/2.2_useful_pics/Tempsenders_resize.jpg)
Sounds like the connection is intermittent, and wouold benefit from a clean-up, pinch-up sort of thing.
Access is the only difficulty. ::)
Tell me more someone please.
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Would i need any specialist tools or cleaners to sort this issue???
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What he said ^
(http://images.omegaowners.com/images/guides/2.2_useful_pics/Tempsenders_resize.jpg)
Sounds like the connection is intermittent, and wouold benefit from a clean-up, pinch-up sort of thing.
Access is the only difficulty. ::)
Tell me more someone please.
What more is there to say? :-/ ;)
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Would i need any specialist tools or cleaners to sort this issue???
pliers & a bit of emery cloth/wet'n'dry/wife's nail file ;) :y
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What he said ^
(http://images.omegaowners.com/images/guides/2.2_useful_pics/Tempsenders_resize.jpg)
Sounds like the connection is intermittent, and wouold benefit from a clean-up, pinch-up sort of thing.
Access is the only difficulty. ::)
Tell me more someone please.
On a non-V6 engine it should be a doddle to get to and pinch / clean up the spade connector :D :D ;) ;)
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I don't know if you've tried it on a 2.0 Lizzie, but I would guess not. :-?
It may be worse on a V6, but it is not a doddle at all on the 2.0; 2.2 would be easier due to absence of DIS.
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either that or go and buy a plasma temp gauge kit and fit that until you get time to trace the problem. A friend of mine has got the same problem but has put a plasma guage in for now until he can get time to sort it out, works fine.
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I don't know if you've tried it on a 2.0 Lizzie, but I would guess not. :-?
It may be worse on a V6, but it is not a doddle at all on the 2.0; 2.2 would be easier due to absence of DIS.
I must admit you are right on that, although I have worked on other 2ltr cars ;) ;)
I thought, wrongly as it appears, that far less would be in the way to get to the spade connector than on a V6 ;) ;)
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When you say that this unit is at the back of the engine block, i take it you mean that it is under the shroud below the windscreen. I cannot however spot what i am looking for at present so does anyone know where exactly i should be looking. Also are there any special tools needed to get to it and/or remove it if necessary. I thank all who have replied so far as well as anyone who replies forthwith.
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Under the windscreen scuttle. If you follow your HT leads back to the Dis, then the connections are between the dispack & EGR