Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: vauxsky on 12 September 2012, 10:30:30
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My Secondary Air Injection Pump is screaming on startup too, this is the Unit under the Front Passenger Side Wing next to the Horns.
I read on here, some are saying remove it from the vehicle, I have been told by Steve at Omega Spares that that is not a good idea. Apparently, on start up the unit takes warm air from the exhaust manifold, and uses this info to shut off the cold start procedure, incorporating the EGR, which is part of the engine management process.
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My Secondary Air Injection Pump is screaming on startup too, this is the Unit under the Front Passenger Side Wing next to the Horns.
I read on here, some are saying remove it from the vehicle, I have been told by Steve at Omega Spares that that is not a good idea. Apparently, on start up the unit takes warm air from the exhaust manifold, and uses this info to shut off the cold start procedure, incorporating the EGR, which is part of the engine management process.
No doubt he wants to sell you a replacement? ::)
Unplug and bin it, it will make no difference to running of the car. :y
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I read on here, some are saying remove it from the vehicle, I have been told by Steve at Omega Spares that that is not a good idea. Apparently, on start up the unit takes warm air from the exhaust manifold, and uses this info to shut off the cold start procedure, incorporating the EGR, which is part of the engine management process.
That's "dangle-berries", I'm afraid. Just unplug the pump. It will give you no more bother and make no difference to how the car runs.
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As above, the pump isn't really needed at all.
You can disable it by simply removing the fuse.
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"Dangle Berries and Unplug it and Bin It"
These are radical fixing ideas, why did VX fit it on there, whats the technical reason for having it, before I decide to remove it.
cheers
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"Dangle Berries and Unplug it and Bin It"
These are radical fixing ideas, why did VX fit it on there, whats the technical reason for having it, before I decide to remove it.
cheers
It was put there to keep greenies happy, its purpose is to reduce exhaust emissions when engine was cold only.
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It wont have any effect on the Car start-up, especially in winter then, no other systems rely on its function for, say
- idling in traffic when engine gets hot - trying to overheat
- rapid excelleration and gearchange
cheers
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No as detailed above, it has zero impact on engine running / performance. You won't even notice a difference when its cold ;)
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disconnected mine with no change to running, either hot or cold etc.
Andy
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I will unplug it then
Great Feedback, thank you.
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"Dangle Berries and Unplug it and Bin It"
These are radical fixing ideas, why did VX fit it on there, whats the technical reason for having it, before I decide to remove it.
cheers
Even Vauxhall removed it on later cars. ;) ;)
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Just to say about comment on Steve at Omega Spares,
Everybody wants to sell you something - Steve does too, but, he wont if you dont want it - his prices are very reasonable - he will still give you an answer to a question, wheather you buy something or not.
Go to him before you go to a breakers or Ebat, his knowledge on Omega's is extensive
On a seperate note,
what unit should I buy to turn off my Airbag Light, also my Wifes Seat has the same problem so I need to buy one - the Omega and the Seat are non-conform OBD11 I think, please advice - I need to get one?
cheers
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Go to him before you go to a breakers or Ebat, his knowledge on Omega's is extensive
On a seperate note,
what unit should I buy to turn off my Airbag Light, also my Wifes Seat has the same problem so I need to buy one - the Omega and the Seat are non-conform OBD11 I think, please advice - I need to get one?
As proven above though, not quite right on SAI :)
Tech2 needed to reset airbag light, prices from OOF and locations here: http://theboy.omegaowners.com/tech2/prices.shtml (http://theboy.omegaowners.com/tech2/prices.shtml)
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Airbag lights will come on for a variety of reasons, so it really needs diagnosis to find out what part of the system has failed before buying anything, otherwise you'll be wasting your money.
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In this case I know why, I replaced the doors on my Omega as they were rotten (98-S) and put some facelift ones on, so I had to disconnect the Side Impact sensors, so they just need re-setting.
As for the Seat, It has been on since we had the car - 10 years, its the switch under the seat, but I want to turn them off permanant.
As I beleive the MOT is now a failure on Airbag Lights
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It is a failure with new rules, TheBoy based in Brackley, Northants would be your closest OOF member with Tech2.
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In this case I know why, I replaced the doors on my Omega as they were rotten (98-S) and put some facelift ones on, so I had to disconnect the Side Impact sensors, so they just need re-setting.
If you followed the normal precaution of not turning on the ignition when working on the airbag system then it wouldn't have turned the light on, so I reckon there might be an issue with the sensors in the new doors - or the wiring isn't compatible.
As for the Seat, It has been on since we had the car - 10 years, its the switch under the seat, but I want to turn them off permanant.
As I beleive the MOT is now a failure on Airbag Lights
The airbag system must go through its' normal sequence when the ignition is switched on for an MOT pass - so light must come on and go off to indicate the system has no faults. You can't, therefore, just disable the whole system.
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we are drifting a bit here, I think Kevin, you are closer to me, you have Tech 2
When I did the doors, the ignition was not turned on, the loom had to be disconected one way or another to put it into the new doors.
But, I still would like a recomendation on a Unit to buy.
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Going back to the SAI issue for a moment.
Yes, it can be disabled by removing the fuse - I 100% agree with that. But you are then carting around several pounds of excess weight and pipework that sometimes gets in the way when working down the front of the engine.
That can all be removed - but there is a bit of making good to do though:
1) There is a vacuum line which connects to a valve. Make sure you seal the vacuum line pipe when removing the valve otherwise you will have a vacuum leak.
2) Leave the electrical valve in place. If it's removed then it will bring on the ECU light. It can physically be tied up somewhere close by - but it's presence is checked by the ECU.
3) The two stainless steel pipes from the manifolds need to be capped off. Luckily these are jointed to the SAI pipework with long rubber joints and circular clips. The way I sealed mine was to get a short length of 15mm copper pipe with an end cap soldered to one end. Measure how far down the rubber tube the pipe needs to be and then cut to length to get a tidy fit without the end cap sticking too far forward. Use a circular "Pipeslice" to get a nice straight edge to the cut - this lessens the chance of a leak. Finally, use the pipe clip from the SAI pipe you previously removed. If necessary you can use a jubilee clip.
I've done this to a couple of V6s now with no probs. :y
HTH - Rob
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"Dangle Berries and Unplug it and Bin It"
These are radical fixing ideas, why did VX fit it on there, whats the technical reason for having it, before I decide to remove it.
cheers
It was put there to keep greenies happy, its purpose is to reduce exhaust emissions when engine was cold only.
Is that not a good thing then? Does it not save a little fuel if it ends the cold running setup sooner? (I don't know that is just a question)
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"Dangle Berries and Unplug it and Bin It"
These are radical fixing ideas, why did VX fit it on there, whats the technical reason for having it, before I decide to remove it.
cheers
It was put there to keep greenies happy, its purpose is to reduce exhaust emissions when engine was cold only.
Is that not a good thing then? Does it not save a little fuel if it ends the cold running setup sooner? (I don't know that is just a question)
It makes no difference to fuel consumption during warmup whatsoever. All it does is to blow air down the exhaust pipes to help the catalytic converters to warm up quicker.
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"Dangle Berries and Unplug it and Bin It"
These are radical fixing ideas, why did VX fit it on there, whats the technical reason for having it, before I decide to remove it.
cheers
It was put there to keep greenies happy, its purpose is to reduce exhaust emissions when engine was cold only.
Is that not a good thing then? Does it not save a little fuel if it ends the cold running setup sooner? (I don't know that is just a question)
Also remember a 2.2 does not have SAI :y
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I disconnected mine and didnt realise the pipes had to be blocked , went for a run .... it erm sounded a bit loud :-[ ::) looking at this i think ill try the disconnection again :) :y Thanks for info Links Robert 8)
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You'll find my SAI pump and all associated gubbins in Ardley landfill site.
Any emissions savings by getting cats hotter quicker are outweighed by lugging that weight around.
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Also remember a 2.2 does not have SAI :y
[/quote]
Well thats one thing I don't have to worry about at least then! :-)
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Going back to the SAI issue for a moment.
Yes, it can be disabled by removing the fuse - I 100% agree with that. But you are then carting around several pounds of excess weight and pipework that sometimes gets in the way when working down the front of the engine.
That can all be removed - but there is a bit of making good to do though:
1) There is a vacuum line which connects to a valve. Make sure you seal the vacuum line pipe when removing the valve otherwise you will have a vacuum leak.
2) Leave the electrical valve in place. If it's removed then it will bring on the ECU light. It can physically be tied up somewhere close by - but it's presence is checked by the ECU.
3) The two stainless steel pipes from the manifolds need to be capped off. Luckily these are jointed to the SAI pipework with long rubber joints and circular clips. The way I sealed mine was to get a short length of 15mm copper pipe with an end cap soldered to one end. Measure how far down the rubber tube the pipe needs to be and then cut to length to get a tidy fit without the end cap sticking too far forward. Use a circular "Pipeslice" to get a nice straight edge to the cut - this lessens the chance of a leak. Finally, use the pipe clip from the SAI pipe you previously removed. If necessary you can use a jubilee clip.
I've done this to a couple of V6s now with no probs. :y
HTH - Rob
I think I might be keeping mine if you have to do all this - any pictures of this procedure?
cheers
-
Going back to the SAI issue for a moment.
Yes, it can be disabled by removing the fuse - I 100% agree with that. But you are then carting around several pounds of excess weight and pipework that sometimes gets in the way when working down the front of the engine.
That can all be removed - but there is a bit of making good to do though:
1) There is a vacuum line which connects to a valve. Make sure you seal the vacuum line pipe when removing the valve otherwise you will have a vacuum leak.
2) Leave the electrical valve in place. If it's removed then it will bring on the ECU light. It can physically be tied up somewhere close by - but it's presence is checked by the ECU.
3) The two stainless steel pipes from the manifolds need to be capped off. Luckily these are jointed to the SAI pipework with long rubber joints and circular clips. The way I sealed mine was to get a short length of 15mm copper pipe with an end cap soldered to one end. Measure how far down the rubber tube the pipe needs to be and then cut to length to get a tidy fit without the end cap sticking too far forward. Use a circular "Pipeslice" to get a nice straight edge to the cut - this lessens the chance of a leak. Finally, use the pipe clip from the SAI pipe you previously removed. If necessary you can use a jubilee clip.
I've done this to a couple of V6s now with no probs. :y
HTH - Rob
I think I might be keeping mine if you have to do all this - any pictures of this procedure?
cheers
No - it has to come out when doing a cambelt change - so went that bit further and never put it back in again.