A8 Parts Forum  

Go Back   A8 Parts Forum > A8 D2 > D2 - Fuel and Exhausts

D2 - Fuel and Exhausts Everything to do with getting fuel into the engine, and fumes back out again

Reply
 
Thread Tools Display Modes
  #1  
Old 20th August 2021, 08:27 PM
Mossyboy1978 Mossyboy1978 is offline
Member
 
Join Date: Aug 2016
Posts: 77
Default Replacement lambda sensor

Evening all

Just had new exhaust mid section fabricated with sports cats and new pipes (will upload a vid shortly). One of the post-cat lambda sensors is knackered and I need to buy a new one. ANy recommendations where to get from as Eurocarparts doesn’t seem to have anything.

Also - if anyone has a good ECU programmer that could delete the post cat sensors for me that would be a great help. Then I won’t need one at all!!

Many thanks

Mossy
__________________
2002 S8 Aqua Pearl, entirely original apart from FE 20" OEM wheels and Milltek exhaust.

Reply With Quote
  #2  
Old 20th August 2021, 09:20 PM
MikkiJayne MikkiJayne is offline
Senior Member
 
Join Date: Jan 2012
Location: Devon
Posts: 4,163
Default

The originals are £140 a pop so cheaper to get them mapped out. https://www.autodoc.co.uk/bosch/1149091

I don't have a map for it yet but should have fairly soon
Reply With Quote
  #3  
Old 21st August 2021, 08:37 PM
Goran's Avatar
Goran Goran is offline
Senior Member
 
Join Date: Feb 2011
Posts: 2,165
Default

I had both of my post-cat lambdas mapped out by MRC tuning 7 years ago, no problems since. I highly recommend them. It only cost £150.
I'm running either 100cell or 200cell HJS cats, cant remember which. Goes through MOT no problem.

They also mapped out and removed the secondary air pump (electric fan inside the airbox) which failed. Well worth doing also. That also requires removal of some of the vacuum hoses and blocking off ports on the back of the engine. I can't remember the cost of that, I'll look it up.
Physical work of removal cost £68. I can't find the re-coding cost.
Labour costs may be a bit higher now.

Last edited by Goran; 21st August 2021 at 08:49 PM.
Reply With Quote
  #4  
Old 23rd August 2021, 12:17 PM
Mossyboy1978 Mossyboy1978 is offline
Member
 
Join Date: Aug 2016
Posts: 77
Default

Thanks to you both. Looking into the ECU cat delete now as Banbury is a bit far for me
__________________
2002 S8 Aqua Pearl, entirely original apart from FE 20" OEM wheels and Milltek exhaust.

Reply With Quote
Reply

Tags
exhaust, lambda, sensor

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 04:47 AM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.