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| D2 - Fuel and Exhausts Everything to do with getting fuel into the engine, and fumes back out again |
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#1
22nd August 2009, 01:43 AM
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Lambda Sensor
Okay they are well and truly gone. Its annoying because I had just booked a pro detail for the S8 this month, with the money spent on new wheels and with it needing a service I am going to have to cancel it and spend the money on the Lambadas instead, how boring!
 Do these effect performance in any way? I have Done a Vag Com test and they were reading - 7 something. It reckons one of them is completely dead. Where are these located. Easy to replace or not? Will get some on order Monday, better to buy from A8 Parts or new? Thanks in advance 
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds 
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#2
22nd August 2009, 05:45 AM
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You should have 4 on your car Amar. 2 in front of the Cats and 2 behind. I'm surprised they are toast as they do effect mixture control and therefore emissions. Having just past your MOT there are no emission problems so I doubt all 4 have gone. One maybe.
Jobs not to difficult. You may want to run over to Bens and have him do a full diagnostic.
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Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light.
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#3
27th August 2009, 01:16 AM
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Thanks for your help Mike, I just drove back from work now and the car drove like a pig. First off was a problem with the Xenons (Will start separate thread) then my mate from work in his Citroen AX put his hand out of the window to tell me to overtake so he could hear and see the beast move. So I went to overtake and nothing, it felt like a NA 1.8 engine under the bonnet. No misfiring, no glitches from the gearbox no engine light just no power! Worried I went home and got VAG COM on it and it shows that two lambadas are faulty and no other problems with the engine.
Here are the results if anyone can help: Thursday,27,August,2009,02:01:46:36799 VCDS Version: Release 805.4 Address 01: Engine Control Module Part Number: 4D0 907 559 C Component and/or Version: 4.2L V8/5V G 0003 Software Coding: 10753 Work Shop Code: WSC 02324 Additional Info: WAUZZZ4DZ1N007619 AUZ7Z0Y1642104 3 Faults Found: 17539 - Oxygen (Lambda) Sensor; B2 S1: Internal Resistance too High P1131 - 35-10 - - - Intermittent 16544 - Oxygen (Lambda) Sensor B2 S2: No Activity P0160 - 35-10 - - - Intermittent 17548 - Oxygen (Lambda) Sensor; B2 S2: Internal Resistance too High P1140 - 35-00 - -
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds
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#4
27th August 2009, 03:42 AM
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Just realised I have a lambda sensor in my garage I brought for my old A8, turned out it didn't need one in the end. That was a 97 4.2 ABZ, will it fit the S8? Also which side of the engine is bank 1/2?
ooh and please could a mod move this to the D2 section! Thanks
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds
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#6
18th September 2009, 09:08 PM
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Need to change a second lambda on my car, put it on a mates ramp and can loosen it, but where does the actual connector go to? It sort of disappears into the chassis. Does anyone know how I would go about this?
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds
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#7
17th February 2010, 08:52 PM
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So nobody knows!? The Lambda was intermittent but has now completely failed, stangley Cars running fine. I have booked it in with MRC for a new lambda/health check. Sorry Ben, its just I'm really busy next week and MRC are 20 mins down the road. Plan is to get anything that needs doing done so lets hope it passes the health check.
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds
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