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 :smt017. 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 ? :banghead: The car already had one of these under warranty @ 39 000 in 2006. Is this a common fault ? :whistle:
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It will be because you have 100 cell cats on your car. Common occurence - no problems. -
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Nowt! It will probably go away the next time you drive it...Originally posted by mattCSLnut View PostComment
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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 ?Originally posted by glendog74 View PostComment
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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 :hahaha: but in the morning the light had gone off.
Like Rob says no biggy :thumbs:Comment
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Originally posted by Bealo View Post
Yep... I too had a bit of a brown moment myself :smt053 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 :smt017. Any further thoughts ??? :whistle:Comment
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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
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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 :tonqeOriginally posted by s.mac View Postare 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 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 :bigcry:
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yep, nothing wrong with the fuel, just high emissions then
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High emissions ? Surely the light would have been on from the time of fill up ? and is this why the light is still On ? When I filled her up time before yesterday with my choice fuel ( Shell V-Power 98 ) nothing like this happened. What to do next ? Should I go for an Italian tune up ? :whistle:Originally posted by s.mac View Postyep, nothing wrong with the fuel, just high emissions thenComment
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IMO I wouldn't bother.Should I go for an Italian tune up ? :whistle:
with 100 cell cats the light can go on and off at willHigh emissions ? Surely the light would have been on from the time of fill up ? and is this why the light is still On ? When I filled her up time before yesterday with my choice fuel ( Shell V-Power 98 ) nothing like this happened.
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Originally posted by s.mac View PostIMO I wouldn't bother.
with 100 cell cats the light can go on and off at will
You do know what an Italian tune up is, right ? :whistle:Comment
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with 100 cell cats the light can go on and off at will
I'm not sure the MOT guy is going to buy this at emissions check time :banghead:Comment
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It's what comes out the back end that matters for the MOT - not some random light triggered by an over-sensitive car. I'm pretty sure 100 cell equipped cars pass MOTs ok... Stop worrying...Originally posted by mattCSLnut View PostComment
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