Questions tagged [p0172]

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High CO Emissions

My Yaris is due for an MOT this month. The last MOT report says that CO is right on the limit, everything else is normal HC, Lambda etc., as shown below. The CO has been creeping up every year, and ...
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BMW M140i showing P0172

Details of the car: BMW M140i (F20) B58 engine - 3.0L petrol, inline 6, turbocharged Year of manufacturer: 2016 Mileage: ~13000 miles (3000 of which are mine) The majority of my use is short trips (&...
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p0140 and p0172

I have a 2005 Elantra (205K miles). I replaced the second o2 sensor (downstream; after cat), added a defouler to second o2, replaced cylinder # 2 injector, air filter, tune-up. If the car is at idle ...
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Volvo S40 2007 - P0172 system too rich

So I've got the P0172 code on my Volvo S40 2007 2.4L gasoline (5 cylinder). The car runs absolutely fine: no unusual noises, fuel consumption is fine (terrible but that's usual), power is also fine (...