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Old 25-02-2019   #31
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Re: Annual MOT Twinair Emission Woes

Original Poster here, one year down the line. Nothing done to the car in the last year apart from changing the oil from 0w-40 to Selenia 0w-30 at the service six months ago after greatly studying the twinair oil thread on here and taking an educated punt. ..I suspected the inlet valves were slow in closing at idle allowing more air in...

Same MOT station, same Analyser and software version.. No thrashing the car beforehand to get it hot..



The only other difference, of course, is our February heatwave, It's 19 degrees outside unlike zero last time.

Just hope this info helps save someone an unnescessary fortune in the future!
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Old 25-02-2019   #32
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Re: Annual MOT Twinair Emission Woes

Good stuff..!!

Whos oil before..?
Which brand..

Mine (2012punto) has just passed its 3rd mot.

No issues..
Selenia all the way !!

I used to see improvement in MPG after a service..

Perhaps I am now better at mainitaining the tyre pressures..
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Old 25-02-2019   #33
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Re: Annual MOT Twinair Emission Woes

Quote Originally Posted by varesecrazy View Post
Good stuff..!!

Whos oil before..?
Which brand..

Selenia all the way !!
One sceptic now has to agree!

I recall it was Castrol Edge prior to this but Selenia the year before
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