Back in a 406 after a few years,

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Milesh
1.6 8v
Posts: 11
Joined: Mon Dec 14, 2015 1:15 am

Back in a 406 after a few years,

Post by Milesh » Sat Jan 02, 2016 12:04 am

Got a 2.2 HDi this time around, never had much do to with HDI's before (Coming from 205's, 306 GTi's & V6 406's) so I'll need to stick my thinking cap on as the old Emission system fault light is on which hopefully will be the Swirl valve as sometime it goes well and others not at all, Bloody cars

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GingerMagic
3.0 24v
Posts: 2946
Joined: Fri Apr 06, 2012 9:02 pm
Location: Bournemouth

Re: Back in a 406 after a few years,

Post by GingerMagic » Sat Jan 02, 2016 10:39 am

Hi, welcome back..!!

The 2.2Hdi is a great engine - and when its 'adjusted' it is as reliable and problem free as a 2.0Hdi - quicker but less economical.

I mustard mitt I am tempted by a 406 V6 estate currently on eBay, but my 2.2Hdi is reliable and economical enough and owes me nothing..... :cheesy:

Try the swirl valve first ( unplug it at the swirl EV between the block and the air box ) and suck on the pipe - it should move backwards and not move or creep forwards until you release vacuum. If you have access to a vacuum pump ( £15 from Amazon if not ) then this will be a great benefit in finding leaks/blockages etc.

Kelv.
1999 T4 family wagon, slow as a turd but the kids like it
2002 Citroen Xsara Picasso Hdi90 - Dirtied by the kids, Dented by the wife....
Sadly sold the 406, best cars I have ever owned
PP2000 user, can help with faults / diagnostics in the Bournemouth area.

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jonsowman
3.0 24v
Posts: 1707
Joined: Wed Sep 21, 2011 4:19 pm
Location: Surrey, UK (J9 M25)

Re: Back in a 406 after a few years,

Post by jonsowman » Sat Jan 02, 2016 10:54 am

Hello! The DW12 is very well understood by the community these days so we should have no problems sorting that AP fault out 8)
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2002 V6 SE Coupé (210bhp) - (Aegean Blue)
2002 D9 2.2 HDi Exec Estate - Samarkand Blue
PM me for PP2000 diagnostics around Surrey

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Doggy
Mod with a 2.2 HDi, De-Fapped!
Posts: 9968
Joined: Mon Oct 13, 2008 11:49 pm
Location: Northants

Re: Back in a 406 after a few years,

Post by Doggy » Sat Jan 02, 2016 11:53 am

Hi and welcome back. 8)

There's a few of us 2.2 owners around and a wealth of info.
Have a search through the knowledge base and/or post any questions you might have.
2003 HDi 2.2 6-speed Exec Estate

Milesh
1.6 8v
Posts: 11
Joined: Mon Dec 14, 2015 1:15 am

Re: Back in a 406 after a few years,

Post by Milesh » Sat Jan 02, 2016 6:34 pm

Cheers all, getting there as the end of the IRIS valve had broken off and hardly moves when the engine is rev'd with a fair amount of hissing but if that's normal or not I don;t know, good thing is with the butterfly valve moved (Manually) the other way all is good so far, EML has gone out and power is back and MPG has gone up allot

What does the IRIS do, looks like controling some Air flaps

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Doggy
Mod with a 2.2 HDi, De-Fapped!
Posts: 9968
Joined: Mon Oct 13, 2008 11:49 pm
Location: Northants

Re: Back in a 406 after a few years,

Post by Doggy » Tue Jan 05, 2016 6:34 pm

It controls the swirl flaps.
The actuator rod should be in the extended (up) position with the engine stopped or running at > 2100 RPM, (all 8 inlet valves in use).
It should be retracted (down) at tick over, (only 1 inlet valve per cylinder in use).

Your car will run fine with all valves in use all the time, but if you have a hissing noise, it's likely the diaphragm in the actuator is split causing a vacuum leak which will affect how your car behaves. I suggest disconnecting the vacuum pipe from the electro valve and plugging it to eliminate this problem.
2003 HDi 2.2 6-speed Exec Estate

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