Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: gav mv6 on 05 April 2010, 19:23:49

Title: sounds like manifold blowing , but...
Post by: gav mv6 on 05 April 2010, 19:23:49
hi still enjoying omega moments , great fun when u beat honda typre r's , but all seems not well , when u start the car from cold is fine , but when it switches over , valve of somekind opens ? , it sounds like the nearside exhaust manifold is blowing , but having listened to it this afternoon the 'blowing' seems to be coming from under the battery area ???? , whats going on , ive listened to the engine next to manifolds , well as close as can get and no problem the blow is driving me round the twist ,.

thanks
Title: Re: sounds like manifold blowing , but...
Post by: Marks DTM Calib on 05 April 2010, 19:35:52
Its the air injection pump....reach up under the passenger wing and unplug it
Title: Re: sounds like manifold blowing , but...
Post by: gav mv6 on 05 April 2010, 19:37:54
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Its the air injection pump....reach up under the passenger wing and unplug it


Thanks but wtf is it for ? do i need to replace it ? i guess i unplug from under the car , sounds fun !

many thanks
Title: Re: sounds like manifold blowing , but...
Post by: Marks DTM Calib on 05 April 2010, 19:39:20
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Quote
Its the air injection pump....reach up under the passenger wing and unplug it


Thanks but wtf is it for ? do i need to replace it ?

many thanks

The idea is that it heats the cats up a little quicker and allows the engine to meet the emmisions pass for new cars

Its not tested at MOt and adds no value so get rid
Title: Re: sounds like manifold blowing , but...
Post by: gav mv6 on 05 April 2010, 19:41:18
will do ,one less item in engine bay . mot is due next week , thank you
Title: Re: sounds like manifold blowing , but...
Post by: KW on 05 April 2010, 19:43:00
No need to crawl about on the floor scraping the skin off your knuckles, you can pull the 50A fuse (under bonnet fusebox) which will disable the SAI pump.
Title: Re: sounds like manifold blowing , but...
Post by: acura on 05 April 2010, 19:49:16
Hi, is it only the V6s that have the air injection pump or is it on the 2.2 also?
Title: Re: sounds like manifold blowing , but...
Post by: Marks DTM Calib on 05 April 2010, 19:50:48
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Hi, is it only the V6s that have the air injection pump or is it on the 2.2 also?

Not fitted to 2.2, 2.6 or 3.2....the 2.0 did have it though
Title: Re: sounds like manifold blowing , but...
Post by: Radar on 05 April 2010, 22:10:02
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Hi, is it only the V6s that have the air injection pump or is it on the 2.2 also?

Not fitted to 2.2, 2.6 or 3.2....the 2.0 did have it though
That's a shame since mine makes a clatter for the first ten seconds on startup that i thought was the sai pump but i never got round to unplugging it. I'm a bit puzzled know since mine doesn't have one!
Title: Re: sounds like manifold blowing , but...
Post by: MickAP on 06 April 2010, 01:11:54
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Hi, is it only the V6s that have the air injection pump or is it on the 2.2 also?

Not fitted to 2.2, 2.6 or 3.2....the 2.0 did have it though
That's a shame since mine makes a clatter for the first ten seconds on startup that i thought was the sai pump but i never got round to unplugging it. I'm a bit puzzled know since mine doesn't have one!

Have you taken a look at the exhaust manifold.
The reason, mine makes a racket on cold starts.
I have a new manifold ready to be fitted, because mines cracked.
Read about quite a few of these on the 2.2 cracking just recently :(

Mick ;)
Title: Re: sounds like manifold blowing , but...
Post by: yorkipud on 20 April 2010, 14:23:35
Hello,
as mine also is making an awful noise on start up, that akin to a hovercraft inflating just wondering is the 50amp fuse just for this pump alone and is it the only 50amp fuse in there also will it affect the immisions. any help gladly recieved cheers, Neil