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Author Topic: Duff Lambda Sensor?  (Read 874 times)

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JamesV6CDX

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Duff Lambda Sensor?
« on: 23 August 2011, 20:39:45 »
P0150 O2 sensor circuit malfunction (Bank 2 Sensor 1)

This code keeps coming back. At the moment, it's showing as 'intermittent'

I opened up the ECU box, and re-soldered the LPG connection for lambda2. This has been double checked, and is fine.

Could this be due to a failing sensor?

I was watching the live-data earlier with it idling

Bank 1, sensor 1, was cycling between I think 39 and 700+ mv, whereby Bank 1 sensor 2 (the one it's moaning about) was sat solidly on 39mv, occasionally going to 59 and then back down.

when I revved the engine, the bank 2 sensor 1 values rose - and after a while, it was cycling the same as bank 1.

Duff sensor? Same problem as Mr Gixer?

Many thanks in advance  :y
« Last Edit: 23 August 2011, 20:40:37 by JamesV6CDX »
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twiglet

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Re: Duff Lambda Sensor?
« Reply #1 on: 23 August 2011, 21:03:27 »
Got spare lambdas here if you need one James  :y
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cem_devecioglu

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Re: Duff Lambda Sensor?
« Reply #2 on: 23 August 2011, 21:14:28 »
lambda sensors recommended service life is 100 K (kms) .. when they get old their responses slow down until they finally give no reading..
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Lazydocker

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Re: Duff Lambda Sensor?
« Reply #3 on: 23 August 2011, 22:12:37 »
Yep... The heater has/is packing in ;)
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Whatever it is... I didn't do it

JamesV6CDX

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Re: Duff Lambda Sensor?
« Reply #4 on: 23 August 2011, 22:16:46 »
replace in pairs best I guess? Cheers LD and everyone..   :)
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Lazydocker

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Re: Duff Lambda Sensor?
« Reply #5 on: 23 August 2011, 22:19:52 »
Quote
replace in pairs best I guess? Cheers LD and everyone..   :)

Up to you... Personally I would only replace the duff one unless the exhausts were off (in which case I'd be tempted to replace all 4 and be done with it ;))
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feeutfo

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Re: Duff Lambda Sensor?
« Reply #6 on: 23 August 2011, 22:48:40 »
Easier side that one, open ended 22 seemed best weapon due to space. Came out easy in my case. Routing the cable was bigger issue, but you won't have the gear box selector switch and linkage in the way. I just changed the ify one.
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