406 lambs or ex gas temperature sensor.

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Mick406
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Location: Buxton derbyshire

406 lambs or ex gas temperature sensor.

Post by Mick406 »

406 2.0 hdi estate 110 rapier which one is fitted to my engine I've been told it's one or the other I had an anti pollution show on my dash and I now have eml lit all the time, changed the MAF and no different but not sure if I need a lamba or not. Its failed the MOT so desperately in need of a fix even a way to bypass the sensor so it is useable , no car no work. Please help.
2002 406 estate 2.0 hdi 110 rapier
Based in Buxton Derbeyshire.
IF ITS NOT BROKE DONT FIX IT!!!
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Doggy
Mod with a 2.2 HDi, De-Fapped!
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Re: 406 lambs or ex gas temperature sensor.

Post by Doggy »

Hi and welcome aboard. 8)

HDi's don't have lambda sensors, (AFAIK they're only used on petrol engines).
2.2 HDi's with a particle filter have exhaust temperature probes either side of the DPF, but there's no reason for one on a 110.

'Anti-Pollution Fault' is a generic term for ANY engine ecu fault code, it's probably not related to the exhaust system. Temporary faults, (like disconnecting a sensor or turning the ignition on with one unplugged), sometimes clear themselves after a few journeys.

Failing that, you need to find out what the fault is with a diagnostic reader, preferably Peugeot's own PP2000 or Diagbox system, (which some of us have access to).

If you post your location, someone nearby may be able to help.
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (we shall see......)
GingerMagic
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Re: 406 lambs or ex gas temperature sensor.

Post by GingerMagic »

Agreed, no Lambdas on the Hdi.

The 110 has less to go wrong than the over complicated 2.2hdi, so more than likely to be an overboost fault due to an old solenoid, or the MAP sensor, or an out of sync throttle sensor etc etc - to be honest there is no point playing parts roulette until you get a diagnostic done.

The MAF is worth changing periodically anyway.

Again, just add your location to your signature so we can point you in the right direction.
2003 2.2hdi estate - mine
2019 Citroen C3 something - wife's
Currently eyeing up a classic Volvo...!
PP2000 user, can help with faults / diagnostics in the Bournemouth area.
Mick406
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Joined: Fri Apr 09, 2021 3:37 pm
Location: Buxton derbyshire

Re: 406 lambs or ex gas temperature sensor.

Post by Mick406 »

Mick406 wrote: Fri Apr 09, 2021 4:02 pm 406 2.0 hdi estate 110 rapier which one is fitted to my engine I've been told it's one or the other I had an anti pollution show on my dash and I now have eml lit all the time, changed the MAF and no different but not sure if I need a lamba or not. Its failed the MOT so desperately in need of a fix even a way to bypass the sensor so it is useable , no car no work. Please help.

I'm in buxton Derbyshire
2002 406 estate 2.0 hdi 110 rapier
Based in Buxton Derbeyshire.
IF ITS NOT BROKE DONT FIX IT!!!
Mick406
Newbie
Posts: 8
Joined: Fri Apr 09, 2021 3:37 pm
Location: Buxton derbyshire

Re: 406 lambs or ex gas temperature sensor.

Post by Mick406 »

Thanks for the replies that's part of the weight lifted I'm based in buxton derbyshire if anyone can help read the fault codes it would be a great help, I'm at a loss as to the problem now I really want to keep her on the road been excellent over the last 5 years or so thanks again .
2002 406 estate 2.0 hdi 110 rapier
Based in Buxton Derbeyshire.
IF ITS NOT BROKE DONT FIX IT!!!
User avatar
Doggy
Mod with a 2.2 HDi, De-Fapped!
Posts: 10459
Joined: Mon Oct 13, 2008 11:49 pm
Location: Northants

Re: 406 lambs or ex gas temperature sensor.

Post by Doggy »

I don't think there are any 406oc regulars in your area, but you could try this link:
https://www.peugeotforums.com/threads/d ... -map.7734/

You may find someone fairly local that could have a look for you.

If you don't get an immediate solution but get the fault code(s) / description(s) we might be able to point you in the right direction.
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (we shall see......)
Mick406
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Posts: 8
Joined: Fri Apr 09, 2021 3:37 pm
Location: Buxton derbyshire

Re: 406 lambs or ex gas temperature sensor.

Post by Mick406 »

Thanks so much for the help hopefully itll get sorted soon cheers
2002 406 estate 2.0 hdi 110 rapier
Based in Buxton Derbeyshire.
IF ITS NOT BROKE DONT FIX IT!!!
WillNZ
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Location: New Zealand

Re: 406 lambs or ex gas temperature sensor.

Post by WillNZ »

It is probably related to boost. MAP sensor is reading lower/higher boost than expected by ecu according to signal from throttle position sensor. Probably lower. Check for leaks between turbo and intake. Also check for vacuum leaks which affects solenoids controlling boost and egr. May also be faulty map sensor or bad electrical connection to it.
Serial 406hdi licker :cheesy:
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Doggy
Mod with a 2.2 HDi, De-Fapped!
Posts: 10459
Joined: Mon Oct 13, 2008 11:49 pm
Location: Northants

Re: 406 lambs or ex gas temperature sensor.

Post by Doggy »

This link https://catalogs.ssg.asia/peugeot/?lang ... aWVyPT0%3D
shows most of the sensors/locations for a typical 110 HDi - may help you do at least a visual inspection
other pages show the egr system, turbo, HP pump etc.

Good luck, let us know how you get on
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (we shall see......)
Mick406
Newbie
Posts: 8
Joined: Fri Apr 09, 2021 3:37 pm
Location: Buxton derbyshire

Re: 406 lambs or ex gas temperature sensor.

Post by Mick406 »

Hi guys it ended up being a fan relay for the rad causing the problem passed mot after a faff but now another problem has surfaced. Went to park up heard a single knock from the rear of the engine near the floor pan now whiteish smoke under load and slight lag on the turbo any ideas
2002 406 estate 2.0 hdi 110 rapier
Based in Buxton Derbeyshire.
IF ITS NOT BROKE DONT FIX IT!!!
dirtydirtydiesel
3.0 24v
Posts: 1489
Joined: Sun Apr 28, 2013 11:02 pm
Location: Coalville, Leics.

Re: 406 lambs or ex gas temperature sensor.

Post by dirtydirtydiesel »

White smoke isn't a good sign,

It's normally due to unburnt diesel & or water in the diesel (can be a leaking headgasket)

Google white smoke from the exhaust on a diesel.

You really need a session with pp2k & someone to look over it that knows what there looking at.
2002 110 HDi estate, Rapier in monaco blue! ( found quite a bit more power :cheesy: ) for sale after I've sorted the airbag light :(
1998 3.0 V6 SE coupe in Diablo Red ( my baby ) sold
2006 206 1.4 16v sport in Aegean blue ( wife's shopping trolley :roll: )

2006 BMW e61 535d m-sport :supafrisk: run's for cover :lol:
Mick406
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Posts: 8
Joined: Fri Apr 09, 2021 3:37 pm
Location: Buxton derbyshire

Re: 406 lambs or ex gas temperature sensor.

Post by Mick406 »

It only started after I had parked up and to be honest it sounded like a pipe popping under pressure which leads me to think a vaccume pipe somewhere causing the problem it was only on idle at the time , il have to try and get a pressure check done to check head gasket as can locate anyone with that reader locally. cheers.
2002 406 estate 2.0 hdi 110 rapier
Based in Buxton Derbeyshire.
IF ITS NOT BROKE DONT FIX IT!!!
GingerMagic
3.0 24v
Posts: 3364
Joined: Fri Apr 06, 2012 9:02 pm
Location: Bournemouth

Re: 406 lambs or ex gas temperature sensor.

Post by GingerMagic »

If you heard it go pop, it's unlikely to be a vacuum pipe ( as theses are teeny tiny in comparison ) but one of the main intercooler pipes runs underneath the engine to the turbo, another from the turbo to the intercooler....

These popping off, or splitting will certainly give lack luster performance, and an EML.

These are tricky to spot if you have an under- tray fitted, but you may be able to hear where any leak is coming from.
2003 2.2hdi estate - mine
2019 Citroen C3 something - wife's
Currently eyeing up a classic Volvo...!
PP2000 user, can help with faults / diagnostics in the Bournemouth area.
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