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New M.O.T. live from today.Will it kill off the old Volvo?

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Old May 20th, 2018, 09:27   #1
Veefor
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Default New M.O.T. live from today.Will it kill off the old Volvo?

I’m more than a bit concerned about the new emissions testing for diesel cars.
From a purely selfish view I own 2 850tdis and a 940tdic.The 940 smokes quite a bit and the 850s are ok I think.
All of them do not have Dpfs so they can’t be failed for removal or tampering but they do smoke a bit.
Are they destined to be scrapped?Such a waste,great cars all of them.
Also what can I do to get them through mot,anything I can do to help.
I would be sick to see them scrapped.
Any ideas please?
Thanks.
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Old May 20th, 2018, 17:18   #2
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Only cars with a dpf that emit any visable smoke will fail the emmisions test portion.
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Old May 26th, 2018, 20:25   #3
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Default 940 tdi auto 1995

hi i too have a 940 tdi 1995 i change the oil and filter at 5000 miles a week before the mot i always change the air filter . just before i take car for mot i take it for a run and give it a bit of higher revs to clean out the soot and drive it into the test centre keeping engine hot if i can its always worked and had no emission fails in 18 years and 255000 miles now . do put a shot of millers diesel clean in tank with every fill up i buy it in 5 litres costs a bit but lasts years
good luck when is mot?
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Old May 26th, 2018, 22:49   #4
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No, why would it?
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Old May 27th, 2018, 00:19   #5
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I think most diesel cars that fail the fast acceleration particle test do so because of residual deposits in the exhaust rather than combustion issues.

New or old, give it a good hard thrashing on the way to the testing station.
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Old May 27th, 2018, 22:37   #6
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Hi I have not got a dpf or any smoke, but still give car a good run before mot as they are only Half a mile away,
if the car is running correctly it should not smoke,
also put a clean air filter in, as if it is blocked it will make the car smoke.
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Old May 27th, 2018, 22:40   #7
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Quote:
Originally Posted by jpliddy View Post
hi i too have a 940 tdi 1995 i change the oil and filter at 5000 miles a week before the mot i always change the air filter . just before i take car for mot i take it for a run and give it a bit of higher revs to clean out the soot and drive it into the test centre keeping engine hot if i can its always worked and had no emission fails in 18 years and 255000 miles now . do put a shot of millers diesel clean in tank with every fill up i buy it in 5 litres costs a bit but lasts years
good luck when is mot?
emission fails, They only test for smoke, so your car is running well,
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Old May 28th, 2018, 12:33   #8
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MOT tester here ( again ) , Right the revised diesel emissions tests WILL NOT affect your cars , IF they passed on their last tests , they should pretty much do so this time . The testing limits we use will remain as they were last year .

For vehicles first used before 1 July 2008, the limit will be one of the following:

the level specified on the manufacturer's plate
2.5m-1 for a non-turbocharged engine – if it's not stated on the manufacturer's plate
3.0m-1 for a turbocharged engine – if it's not stated on the manufacturer's plate

For vehicles first used between 1 July 2008 and 31 December 2013, the limit will be one of the following:

the level specified on the manufacturer's plate
1.5m-1 – if it's not stated on the manufacturer's plate

For vehicles first used on or after 1 January 2014, the limit will be one of the following:

the level specified on the manufacturer's plate
0.7m-1 – if it's not stated on the manufacturer's plate

If the smoke level is displayed on the VIN plate, it will be a number, usually in a box (as below), and often positioned in the bottom right corner of the VIN plate.

( The emission value is found in a square box on VIN plate normally & that is new testing limit )


As others have commented , get the engine up to temp , give it a good razzing & LEAVE IT RUNNING when you get to test centre .

The people who need to view the new regs with concern are those who drive only a couple of miles , park up & let engine go cold . Reverse the journey & never drive above 30MPH ( little old folk collecting pensions & town commuters ) in their common rail engined wonders .

Ignore media manure heap
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Old Aug 9th, 2018, 12:14   #9
cardiomike
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a good run every week if you only do short journeys is good for any engine-helps prevent anything building up.ie more than half an hour at decent revs -that a dual carriageway/a roads at least out of town
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Old Aug 9th, 2018, 12:46   #10
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As has been said, nothing has effectively changed.
My 16 year old 200k+ miles diesel fast passed with a 0.6X figure as it does every year and will continue to do so.
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