Emissions failure (MOT)

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Emissions failure (MOT)

LPG, CNG & LNG - General Info and Issues Share experiences and problems

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May 11th, 2020, 14:21	#1
bimmer49 Always listen & learn! Last Online: Mar 13th, 2023 19:32 Join Date: Dec 2013 Location: Winchester + Malaga	Emissions failure (MOT) On the BiFuel I see there are 3 Lambda sensors. 2 normal ones and 1 specifically for the LPG system? On MOT test, running on petrol, idle lambda and gas emissions were steady but at 3000rpm everything was fluctuating and this produced a fail. I didnt get the chance to test on LPG. I remember on the previous test the Inspector getting agitated with the readings BUT he passed the car, may even have over ridden the machine. Now that was with a new front pipe and CAT fitted. The other I took off because it was rattling inside. I still have that pipe in my scrap pile. I see there such things as 200cell CATs but they only seem to have 1 sensor point. Any opinions please? Gazzer __________________ 264 V8 5.0L V40 BiFuel, she's gone, she's dead......Oh well!

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