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 Posted: Mon Jun 17, 2013 2:36 pm |
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Joined: Jun 24, 2012
Posts: 305
Trade Rating: +1
Location: nottingham
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my 206 gti engine light has come on,ive had the fault read and its the lambda senser so just thought id try changing it myself,so soaked it in freeing oil and as I did so I noticed that I have 2 of them one near the cat and one on the downpipe.
is this normal? will I have to replace both ? or is one something else?
cheers
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Posted: Mon Jun 17, 2013 2:40 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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A simple exhaust leak can trigger a lambda sensor fault code 
You have checked the exhaust system is ok first?
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Mon Jun 17, 2013 2:48 pm |
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Joined: Jun 24, 2012
Posts: 305
Trade Rating: +1
Location: nottingham
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| MrBSI wrote: |
A simple exhaust leak can trigger a lambda sensor fault code
You have checked the exhaust system is ok first? |
hi yes
exhaust is fine;no cheap fix for me!
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Posted: Mon Jun 17, 2013 4:00 pm |
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Joined: Feb 10, 2010
Posts: 4266
Trade Rating: +4
Location: Palestine
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you need to know which one is the faulty one when you got the fault code read,no need to change both,but usually the upstream one is the highly to get faulty,but double check to be sure.
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Posted: Mon Jun 17, 2013 4:03 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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My 206 failed its first MOT on a failed downstream sensor...so it could be either at fault. Did the fault code not specify which sensor it was?
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Tue Jun 18, 2013 3:07 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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Fault code should have identified which one.
The comment about exhaust leak is a good one. You need to have a very good look at the joints and welds as a hole not much bigger than a pin can give you lambda readings that will cause MOT failure or a fault code light on and a hole that small can't be heard as an exhaust blow.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Tue Jun 18, 2013 3:17 pm |
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Joined: Jun 24, 2012
Posts: 305
Trade Rating: +1
Location: nottingham
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Think il have to take it back then
do all cars have 2 of these things as they are not cheap
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Posted: Tue Jun 18, 2013 3:37 pm |
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Joined: Jun 19, 2010
Posts: 1600
Trade Rating: +4
Location: South Bucks
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| omega wrote: |
Think il have to take it back then
do all cars have 2 of these things as they are not cheap |
Some have four of five .. not 206's luckily!
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| Down to just the 1.4 HDi. Cayman Green 2.0i CC sold. | |
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