WB Lambda sensor placing

2wd · 23-07-2006, 11:11 AM

Hi...I have just got a WB AFR gauge and I am in doubt how far down the exhaust I shall place the sensor .....

What is your opinion ??

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reality · 23-07-2006, 11:59 AM

As close to the turbo as possible..most people stick it just before the bend in the downpipe..

NEWTON · 23-07-2006, 05:16 PM

yeah as above just before the bend

Avinitlarge · 23-07-2006, 08:31 PM

According to the instruction, If its too close to the turbo the heat from it shortens the live of the sensor, Also it has to be between 9 o'clock and 3 o'clock position, Thats only if its on a horizontal section of the exhaust though

paconassa · 24-07-2006, 06:33 PM

the max operating temp is around 900ºC so after the sump is probably a good place... and least 15º from horizontal avoid condesation retetion in the sensor

reality · 24-07-2006, 07:27 PM

Quote:

Originally Posted by paconassa

the max operating temp is around 900ºC so after the sump is probably a good place... and least 15º from horizontal avoid condesation retetion in the sensor

I'd be a little worried if you're getting EGT's of 900C after the turbo!

JjCoDeX75 · 26-07-2006, 09:11 PM

I have to say that in my experience if you are running the WB for tuning, if it is too far away from the engine, the info is not quick enough. I run mine about 4 inches back from the turbo, and it has lasted a very long time.

I have a boss at the bottom of the pipe for other things, and to be honest, it isnt as good

Hope this helps

JJ

23-07-2006, 08:31 PM	#4
Avinitlarge PassionFord Regular Trader Score: (0) Join Date: Sep 2004 Location: Rotherham Drives: Mondeo Si TURBO Posts: 457	According to the instruction, If its too close to the turbo the heat from it shortens the live of the sensor, Also it has to be between 9 o'clock and 3 o'clock position, Thats only if its on a horizontal section of the exhaust though __________________ Free iPhone, iPod Touch and more Free PS3, Xbox and more Free Xbox

24-07-2006, 06:33 PM	#5
paconassa Regular Contributor Trader Score: (0) Join Date: Feb 2005 Location: Planet Earth Posts: 228	the max operating temp is around 900ºC so after the sump is probably a good place... and least 15º from horizontal avoid condesation retetion in the sensor __________________ 1989 Mfi XR3i for the road, 1990 EFi XR3i in car heaven new 1.6 cvh on the way...WITH LOADS OF PICS!!!

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23-07-2006, 11:59 AM	#2
reality Too many posts.. I need a life!! Trader Score: (0) Join Date: Jun 2006 Location: Oop Norf Posts: 588	As close to the turbo as possible..most people stick it just before the bend in the downpipe..

23-07-2006, 05:16 PM	#3
NEWTON Advanced PassionFord User Trader Score: (0) Join Date: Dec 2005 Location: under the bonnet Posts: 1,567	yeah as above just before the bend

26-07-2006, 09:11 PM	#7
JjCoDeX75 PassionFord Post Whore!! Trader Score: (0) Join Date: Jun 2003 Location: Exeter Posts: 3,709	I have to say that in my experience if you are running the WB for tuning, if it is too far away from the engine, the info is not quick enough. I run mine about 4 inches back from the turbo, and it has lasted a very long time. I have a boss at the bottom of the pipe for other things, and to be honest, it isnt as good Hope this helps JJ