Check Engine Light

JordanM4 · 09-30-2012, 04:56 PM

Hi Guys,

For the last 2 weeks I have been getting the empty check engine light appear every 5 days or so only to disappear after restarting the car 4 times.

The car seems to run fine and everything appears normal, it doesn't even appear sluggish or anything just the light randomly just turns on when driving normally.

I scanned the car with INPA and got the following error codes..

2AF2 - nitric oxide sensor, Lambda linear
2AF4 - NOXsensor, electrical
2AF6 - nitric oxide sensor, lambda binary

Can you advise whats wrong and whats needed to fix this? i have a 320i n43 2007 69k miles.

Many thanks

JordanM4 · 10-02-2012, 12:08 PM

Anyone? Anyone know where the NOx sensor is located and any more info?

09-30-2012, 04:56 PM	#1
JordanM4 Private First Class 17 Rep 126 Posts Drives: BMW M4 Join Date: Aug 2011 Location: Essex iTrader: (0)	Check Engine Light - INPA error codes Hi Guys, For the last 2 weeks I have been getting the empty check engine light appear every 5 days or so only to disappear after restarting the car 4 times. The car seems to run fine and everything appears normal, it doesn't even appear sluggish or anything just the light randomly just turns on when driving normally. I scanned the car with INPA and got the following error codes.. 2AF2 - nitric oxide sensor, Lambda linear 2AF4 - NOXsensor, electrical 2AF6 - nitric oxide sensor, lambda binary Can you advise whats wrong and whats needed to fix this? i have a 320i n43 2007 69k miles. Many thanks
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10-02-2012, 12:08 PM	#2
JordanM4 Private First Class 17 Rep 126 Posts Drives: BMW M4 Join Date: Aug 2011 Location: Essex iTrader: (0)	Anyone? Anyone know where the NOx sensor is located and any more info?
	Appreciate 0 Quote

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