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E46 Touring
The E46 touring forum. Talk about your sport wagon E46 here.

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Old 06-02-2017, 05:22 PM   #1
TheRoosterina325Ci
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Join Date: Mar 2017
Location: Bescar,Scarisbrick,lancashire
Posts: 31
My Ride: A 325Ci Convertible
Exhaust Emmision Values Light is illuminated.

Hi to you all. What is the most likely reason why the above light is illuminated on the dash panel.
Prior to driving back home at a steady 50/60mph with the newly acquired 320i 2.2 litre Touring Automatic (driven by my brother) the car had been test-driven and left for collection on the 1st June.
The car fired up perfectly OK and within a mile or so the light came on but after turning the ignition off to put fuel into the tank it came back on and has remained on.
The car runs smooth enough until tick-over in drive when it sounds as though it is hunting.
Putting the car into neutral/park results in a smoother tick-over but it is still there.
There is no coolant loss and the temperature gauge runs spot-on between the extremes,also the oil level is correct and was changed at the service just before I collected the car.

I cannot get the car to my chap that 'does' until Wednesday or Thursday for a diagnostic - your thoughts/knowledge would be very much appreciated.
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Old 06-02-2017, 08:48 PM   #2
yjsaabman
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Join Date: Dec 2013
Location: Elizabethtown, PA
Posts: 1,222
My Ride: '03 325i Touring
Well, it's not an engine option we got here in the States, but it sounds to me like a catalytic converter or downstream oxygen sensor concern. First thing to do is get it scanned and see what it has to say. It doesn't like something that's coming out the tailpipe, or doesn't think it does, which points to oxygen sensors, catalytic converter, or a combustion issue.

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Old 06-03-2017, 04:01 AM   #3
TheRoosterina325Ci
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Join Date: Mar 2017
Location: Bescar,Scarisbrick,lancashire
Posts: 31
My Ride: A 325Ci Convertible
Hi yjsaabman. Thank you for your reply. My first thought was that it could be a sensor and especially as it was not there at the point of a test drive.
All other warning lights are extinguished after the engine fires and only the Exhaust Emissions Light remains illuminated.
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