Engine light just came on

mattCSLnut · 07-11-2009, 11:09 PM

Driving at about 40 mph on a digi speed camera ridden A428, the engine shaped yellow light (not the EML light) just came on out of the blue

. In the handbook it says "Exhaust emission values have deteriorated. Please arrange for the problem to be examined by BMW Service." Could this be yet another Lambda Probe ?

The car already had one of these under warranty @ 39 000 in 2006. Is this a common fault ?

**glendog74** · 08-11-2009, 12:13 AM

It will be because you have 100 cell cats on your car. Common occurence - no problems.

mattCSLnut · 08-11-2009, 12:44 AM

So what do I need do next then ?

Quote:

Originally Posted by glendog74

It will be because you have 100 cell cats on your car. Common occurence - no problems.

**glendog74** · 08-11-2009, 01:02 AM

Quote:

Originally Posted by mattCSLnut

So what do I need do next then ?

Nowt! It will probably go away the next time you drive it...

mattCSLnut · 08-11-2009, 01:13 AM

Quote:

Originally Posted by glendog74

Nowt! It will probably go away the next time you drive it...

Right ... so I should just get use to this light coming on from time to time. I'll check it again in the morning and see if it clears itself overnight. I presume the ECU will keep this fault in it's memory. Is it worth having a diagnostic plugged in to clear any stored faults ?

Bealo · 08-11-2009, 09:41 AM

Mine has only come on once in the 15 months i've had 100 cell cats on.

The light came on and i shit myself

but in the morning the light had gone off.

Like Rob says no biggy

mattCSLnut · 08-11-2009, 10:26 AM

Quote:

Originally Posted by Bealo

Mine has only come on once in the 15 months i've had 100 cell cats on.

The light came on and i shit myself

but in the morning the light had gone off.

Like Rob says no biggy

Yep... I too had a bit of a brown moment myself

yesterday, then I thought (worst case scenario) at least I have a BMW Warranty (though I didn't want the hassle). Unfortunately I started her this morning and the light is still staying on

. Any further thoughts ???

s.mac · 08-11-2009, 11:26 AM

are you using decent petrol. When I had 100 cell cats it came on if I ever put lower grade petrol in. I'm running decats now and Its on 90% of the time, regardless what I put in, I've just got used to the light staying on

mattCSLnut · 08-11-2009, 11:41 AM

Quote:

Originally Posted by s.mac

are you using decent petrol. When I had 100 cell cats it came on if I ever put lower grade petrol in. I'm running decats now and Its on 90% of the time, regardless what I put in, I've just got used to the light staying on

Well, I put £50 worth of Tesco's 99 Super Unleaded in yesterday morning (didn't have much choice at the time) which seems highly recommended by many (though I prefer Shell's V-Power 98

) and it was OK for most of the day, until I was driving back home at very slow speed through road works, doing amazing MPG and suddenly the light just came On. It's still on this morning

s.mac · 08-11-2009, 11:48 AM

yep, nothing wrong with the fuel, just high emissions then

07-11-2009, 11:09 PM	#1
mattCSLnut CSL Register Uber-poster! Join Date: Sep 2009 Location: Cambridge Posts: 6,460 Casino cash: $27763	Engine light just came on Driving at about 40 mph on a digi speed camera ridden A428, the engine shaped yellow light (not the EML light) just came on out of the blue . In the handbook it says "Exhaust emission values have deteriorated. Please arrange for the problem to be examined by BMW Service." Could this be yet another Lambda Probe ? The car already had one of these under warranty @ 39 000 in 2006. Is this a common fault ? Last edited by mattCSLnut; 07-11-2009 at 11:26 PM.

08-11-2009, 12:13 AM	#2
glendog74 CSL Register Uber-poster! Tetris Champion! Join Date: Apr 2008 Location: Cornwall Posts: 8,861 Casino cash: $32299	It will be because you have 100 cell cats on your car. Common occurence - no problems. __________________ Cha'mone Mother F**ker!

08-11-2009, 09:41 AM	#6
Bealo Driving it like I nicked it Join Date: Aug 2008 Location: Everywhere. Posts: 2,540 Casino cash: $12738	Mine has only come on once in the 15 months i've had 100 cell cats on. The light came on and i shit myself but in the morning the light had gone off. Like Rob says no biggy

08-11-2009, 11:26 AM	#8
s.mac CSL Register Uber-poster! Join Date: Jun 2008 Posts: 4,247 Casino cash: $15600	are you using decent petrol. When I had 100 cell cats it came on if I ever put lower grade petrol in. I'm running decats now and Its on 90% of the time, regardless what I put in, I've just got used to the light staying on

08-11-2009, 11:48 AM	#10
s.mac CSL Register Uber-poster! Join Date: Jun 2008 Posts: 4,247 Casino cash: $15600	yep, nothing wrong with the fuel, just high emissions then