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New M.O.T. with DPF removal


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#1 -BA-

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Posted 05 November 2018 - 01:08 PM

Hi all

 

Anyone had a recent MOT done following a removal of your DPF? Mine is looming and somewhat concerned the new checks might cause a failure.

 

BA



#2 saj

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Posted 05 November 2018 - 03:47 PM

Depends how it was removed.  If not visible should be alright.  



#3 DazTheMe

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Posted 05 November 2018 - 07:35 PM

Mine passed after the changes. Engine has 150k+ (taxi) miles on it and the smoke density reading was 0.08 1/m out of the 1.5 1/m limit. There was also no advisory or mention of any visible smoke from the tail pipe.

I did make sure to run A double shot of millers additive and nearly ran the tank dry before refilling with BP ultimate diesel a couple of weeks before having the mot, weather it made a difference I can't say but in my mind it couldn't make anything worse.

Ultimately it's down to the tester. Keep in mind I am limited to only 2 places in my town that's allowed to issue mots for taxi vehicles and there are no special exceptions for taxi drivers or shady "I'll put it through this time" business going on.

With all that said, my next car will still be a petrol, I never want this hassle again.

Edited by DazTheMe, 05 November 2018 - 07:42 PM.


#4 antdad

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Posted 06 November 2018 - 06:33 AM

Is that 0.08 or 0.8 l/m cos if it really is the former that sailed through at nearly 20x less than the legal limit, the precautions you took probably helped but not definitively so.



#5 DazTheMe

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Posted 06 November 2018 - 03:14 PM

0.08 is correct yes, not 0.80. I also made sure it was well up to temperature before going in.

Edited by DazTheMe, 06 November 2018 - 03:16 PM.

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#6 rhinogolf

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Posted 13 November 2018 - 01:26 PM

My Ex Gt sailed through the mot today 0.14 did not warm the engine nothing added I use tesco fuel.

#7 rhinogolf

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Posted 13 November 2018 - 01:30 PM

Forgot t mention the car has just short off 245k on