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[JamesV6CDX]

S1 is before precat, S2 is post starting cat (and main cat for relocated ones).

Your code is a S1 code, thus nothing to do with relocation  :-/

0420/0430 are the codes for the post starting cat sensors.

Hi Jaime

The original code was for S2 - as per first couple of posts

It only went to S1, when I swapped the connections as a test, to try and prove/eliminate the sensor... .

[TheBoy]

So where did I dream you have a P0150 then....


...I'll go back to my Glenfiddich I think....

[JamesV6CDX]

Prefer Glenmorangie...

In that case TB, my original fault is with sensor 2

Are values from sensor 2 used in the calculating of the mixture etc? Or is this more of an annoyance than a fault?

[TheBoy]

S2, AFAIK, is only used for cat monitoring.

Use a meter and check the resistance of the heater circuit. Kevin Wood will know the value - he is a secret lamda junkie 

[JamesV6CDX]

S2, AFAIK, is only used for cat monitoring.

Use a meter and check the resistance of the heater circuit. Kevin Wood will know the value - he is a secret lamda junkie 

Cheers TB, much appreciated

[TheBoy]

Kevin Wood will know the value - he is a secret lamda junkie 

Most of us go out on a Friday night, he will study O2 sensors for fun


//Edit: Mind you, last Saturday night...   ...I take my hat of to him and the others...  ...the empties on Sunday morning was very impressive.  I'm surrounded by alcoholics

[Lazydocker]

Kevin Wood will know the value - he is a secret lamda junkie 

Most of us go out on a Friday night, he will study O2 sensors for fun


//Edit: Mind you, last Saturday night...   ...I take my hat of to him and the others...  ...the empties on Sunday morning was very impressive.  I'm surrounded by alcoholics

Not our fault you were being a girl and went to bed early

Mind you... I should have done. I was knackered Sunday night after doing the same on Friday too

[unlucky mark mv6]

Had a look under the car tonight. I was going to remove the offending sensor, but upon looking at it, it's fairly badly rounded off.

What would be the favourite method to extract this?

Also... to try and eliminate the problem, I swapped the connections between the front and rear lambdas on this bank & cleared the codes - and the fault codes coming back are for sensor 1 now - so I'm guessing this pretty much proves it's the sensor at fault?

Cheers
James

Sorry james,my fault mate,as said,attempted to change it sunday,but couldent budge it ,ideally it needs to go on a four poster ramp to get the leverage,and your best bet to remove it is stilsons mate.

[JamesV6CDX]

Had a look under the car tonight. I was going to remove the offending sensor, but upon looking at it, it's fairly badly rounded off.

What would be the favourite method to extract this?

Also... to try and eliminate the problem, I swapped the connections between the front and rear lambdas on this bank & cleared the codes - and the fault codes coming back are for sensor 1 now - so I'm guessing this pretty much proves it's the sensor at fault?

Cheers
James

Sorry james,my fault mate,as said,attempted to change it sunday,but couldent budge it ,ideally it needs to go on a four poster ramp to get the leverage,and your best bet to remove it is stilsons mate.

No worries mate, it's not a problem. I'll get the badger out one way or another 

[pigtown]

I had a lambda sensor problem on by 2.2 and the heater on that was 2 white wires and the good one measures about 5 Ohms.

[Kevin Wood]

I had a lambda sensor problem on by 2.2 and the heater on that was 2 white wires and the good one measures about 5 Ohms.

Yep, about 5-10 ohms would be my guess.

Kevin