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2010 2011 BMW 5 Series Forum F10
 BMW 5-Series (F10) Forums
General 5-Series Sedan and Wagon (F10 / F11) Forum
Catalytic converter efficiency below limit value
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| 02-02-2022, 12:42 AM | #1 |
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Today i got the first check engine light on my car and using bimmerlink app i found error 180001 saying Catalytic converter efficiency is below limit value.
I haven't driven my car hard for quite some time, usually city driving up to 3.5k rpm and i was wondering would a hard driving like getting up to rev limiter help catalytic converter to clean? Or should i just buy a new one or is it a God's sign for catless downpipe  |
| 02-04-2022, 12:34 AM | #3 | |
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| 02-04-2022, 01:31 PM | #4 |
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The last time I had a low efficiency code (different manufacturer) it was the upstream O2 sensor. I just replaced all 4 sensors...
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| 02-07-2022, 09:42 AM | #5 | |
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I can't fix the car until the weekend |
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| 02-07-2022, 12:48 PM | #6 | |
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YMMV |
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| 02-08-2022, 02:33 PM | #7 | ||
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| 02-11-2022, 05:03 AM | #8 |
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Update: yesterday when i was changing lane i had to push the gas pedal for little harder and suddenly the CEL disappeared.
Could that mean that sensor isn't broken and the catalytic converter "cleaned" itself? |
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| 02-11-2022, 05:03 PM | #9 | |
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But it will return sooner than later Be prepared to fix it
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| 02-12-2022, 08:28 AM | #10 | ||
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| 02-12-2022, 11:21 PM | #11 |
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If the light went away just keep driving it. I wouldn't hesitate to give that German an "Italian Tune-Up". You've got nothing to lose, and if the cat is not performing then getting it good and hot might burn out some deposits.
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