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Author Topic: 2005 X3 E83 2.0d Lambda problem  (Read 840 times)

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March 07, 2018, 01:58:36 PM

kampftrinker

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2005 X3 E83 2.0d Lambda problem
« on: March 07, 2018, 01:58:36 PM »
Hi,

 I have a couple of fault codes that are Lambda related, they are as follows:

 Fault: Lambda probe signal virtual ground
 Code: 0041F6

 Fault: Lambda probe signal Nernst
 Code: 0041D6

 Do these codes mean the Lambda sensor is dead?
 Is there anyway I can check the Lambda sensor?

 I believe that there are two sensors in the exhaust before and after the DPF, is this correct?, if so how do I know which is broken?

 The fault codes came from the Carly app and adapter.


 Thanks

 Mick
2006 (55 Plate) X3 E83 2.0 Diesel
1993 MK1 MX5 1.6 (Summer Fun Car)

March 07, 2018, 04:09:50 PM
Reply #1

Horizon

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #1 on: March 07, 2018, 04:09:50 PM »
On a 4 cylinder one cat so one sensor before one after.
I'm not positive but Carly should do live data from sensors, sure someone on here will know 😀
That way a bad sensor won't give you a valid reading.
2011 Kia Sorento KX3  2.2D 60 Plate Auto in black ( mine )
BMW E83 X3.  3.0d M Sport, 2008 in black ( now gone )
Honda CRV 2.2 d EX SUV 2011 in Silver. ( Wife's )
BMW E93 330i Convertible  Msport  2007.  ( Now sold )
VW Golf 2.0 TDI 140 GT 2010 ( now sold )
Now Sold 55 plate, X5, 3.0 D Sport. Silv

March 07, 2018, 05:58:23 PM
Reply #2

kampftrinker

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #2 on: March 07, 2018, 05:58:23 PM »
Hi Horizon,

Thanks for the reply (again).

I've checked out the Carly parameters, the only one that stood out for me was the Oxygen mass flow upstream of particle filters. That was giving a reading of  2.79 Kg/h this was at at tickover and fully warmed up.

I've no idea if that is ok though.

Mick
2006 (55 Plate) X3 E83 2.0 Diesel
1993 MK1 MX5 1.6 (Summer Fun Car)

March 07, 2018, 06:39:45 PM
Reply #3

Horizon

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #3 on: March 07, 2018, 06:39:45 PM »
Hi Horizon,

Thanks for the reply (again).

I've checked out the Carly parameters, the only one that stood out for me was the Oxygen mass flow upstream of particle filters. That was giving a reading of  2.79 Kg/h this was at at tickover and fully warmed up.

I've no idea if that is ok though.

Mick
Is the reading fairly static, tou would expect cold to warmed up the readings should be different, also I would expect a MV or volt reading.
2011 Kia Sorento KX3  2.2D 60 Plate Auto in black ( mine )
BMW E83 X3.  3.0d M Sport, 2008 in black ( now gone )
Honda CRV 2.2 d EX SUV 2011 in Silver. ( Wife's )
BMW E93 330i Convertible  Msport  2007.  ( Now sold )
VW Golf 2.0 TDI 140 GT 2010 ( now sold )
Now Sold 55 plate, X5, 3.0 D Sport. Silv

March 08, 2018, 01:26:47 PM
Reply #4

kampftrinker

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #4 on: March 08, 2018, 01:26:47 PM »
Hi,

I'll see if I can get some more information and post it this evening.

Mick
2006 (55 Plate) X3 E83 2.0 Diesel
1993 MK1 MX5 1.6 (Summer Fun Car)

March 09, 2018, 09:21:20 AM
Reply #5

kampftrinker

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #5 on: March 09, 2018, 09:21:20 AM »
Hi,

The following information was taken from INPA for the Lambda errors. (translated from German)

Type of error:   (2)   Signal or value below threshold
Readiness flag:   (17)   Test conditions not yet fully complete
Error-statur:   (35)   Error currently present, OBD-debounced
MIL-status:   (48)   Error does not cause the warning light to light up (MIL)
P-Code:      P2245   Lambda probe Nernstleitung Circuit (Bank 1, before catalyst) -  low
Engine Temperature               -15.00 C              63.00 C
Engine Speed                  2688.00 1/min      2784.00 1/min
Suction Air Temperature            0.00 C         -36.75 C
Voltage Ki 87                  4.88 V         10.46 V


Type of error:   (2)   Signal or value below threshold
Readiness flag:   (17)   Test conditions
Error-statur:   (35)   Error currently present, OBD-debounced
MIL-status:   (48)   Error does not cause the warning light to light up (MIL)
P-Code:      P2252   Lambda probe Virtual mass control circuit (Bank 1, before catalyst)-Low
Engine Temperature               -25.00 C              48.00 C
Engine Speed                  3872.00 1/min      2720.00 1/min
Suction Air Temperature            -15.75 C              -48.00 C
Voltage Ki 87                  2.74 V         10.46 V

Does this give anymore clues, the car has done 85000 miles

Mick
2006 (55 Plate) X3 E83 2.0 Diesel
1993 MK1 MX5 1.6 (Summer Fun Car)

March 09, 2018, 07:21:30 PM
Reply #6

Horizon

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #6 on: March 09, 2018, 07:21:30 PM »
Am I right in thinking it is showing minus temperatures ? 😳
Live data on the pre cat O2 sensor should vary dramatically between cold Starting and leaner hot running, as the fuel mixture will be different.
If you are getting a static reading that doesn't change much cold engine to hot, or tick over to higher revs, it may be a default setting due to a duff sensor.
iE when the ambient air sensors go you get a -40 deg C reading
Dependant on what MV range the sensor is they default to a set static figure.
As mentioned in my earlier post , 02 sensors usually show as a millivolt
reading.
2011 Kia Sorento KX3  2.2D 60 Plate Auto in black ( mine )
BMW E83 X3.  3.0d M Sport, 2008 in black ( now gone )
Honda CRV 2.2 d EX SUV 2011 in Silver. ( Wife's )
BMW E93 330i Convertible  Msport  2007.  ( Now sold )
VW Golf 2.0 TDI 140 GT 2010 ( now sold )
Now Sold 55 plate, X5, 3.0 D Sport. Silv

March 10, 2018, 06:56:31 PM
Reply #7

kampftrinker

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #7 on: March 10, 2018, 06:56:31 PM »
Hi,

I thought the temperatures were very odd, I tried looking for the live data on INPA. There were two analog pages but neither of them showed any O2 sensor (Lambda) data.

I have a friend with a Foxwell scanner that shows the live data for O2 sensors in millivolts.
I am hoping to borrow it from him in the next few days, I'll post the results.

Thanks for your help so far.

Mick
2006 (55 Plate) X3 E83 2.0 Diesel
1993 MK1 MX5 1.6 (Summer Fun Car)

March 14, 2018, 06:14:04 PM
Reply #8

kampftrinker

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #8 on: March 14, 2018, 06:14:04 PM »
Well, the Foxwell didn't give me any more information, so I've decided to just change it anyway and see if the error codes disappear.

So my next question is, what is the best way to get to the Oxygen sensor from inside the engine bay?

I looked on RealOEM and it looks line I have one oxygen sensor and two temperature sensors. I've ordered the oxygen sensor (Bosch) and the proper tool to remove it. just need to find the best way to do that now.

Thanks

Mick
2006 (55 Plate) X3 E83 2.0 Diesel
1993 MK1 MX5 1.6 (Summer Fun Car)

April 07, 2018, 11:48:30 AM
Reply #9

kampftrinker

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Re: 2005 X3 E83 2.0d Lambda problem
« Reply #9 on: April 07, 2018, 11:48:30 AM »
Just changed the oxygen sensor, cleared the fault codes and went for a 10 mile drive. Read the codes when I got back and no oxygen sensor faults.

So that's another job ticked off the list, just got to get the snapped glow plug out and the fan sorted, then the car should be perfect.......

Mick
2006 (55 Plate) X3 E83 2.0 Diesel
1993 MK1 MX5 1.6 (Summer Fun Car)