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Joined: Dec 2003
Posts: 5,683
Wiki Guide
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OP
Wiki Guide
Joined: Dec 2003
Posts: 5,683 |
My 2003 BMW 320td won't pass the emissions test - I fixed everything else for the MOT, but it was returned with a fail. It was smoking on acceleration in the past, but is now free of that completely, but I can't get it through this test. I read new emission levels were introduced this year, meaning around 90% of older diesels won't pass the test. Broke/unemployment/wahwah/etc means it's this or walking, so any cheap advice would be appreciated. 
"C20 LET bang"
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Joined: Jul 2008
Posts: 14,566 Likes: 38
Wiki Master
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Wiki Master
Joined: Jul 2008
Posts: 14,566 Likes: 38 |
There's a real danger that the left will drag Britain back to the 1970s, with secure well-paid jobs, ample housing, properly-funded NHS and social care, free tuition, student grants, final salary pensions, affordable rail fares and fabulous films and music. David Osland 2025 We don't do charity in Germany, we pay taxes. Charity is a failure of governments' responsibilities - Henning Wehn https://ddue.uk
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Joined: Jul 2011
Posts: 3,621
Forum Guardian
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Forum Guardian
Joined: Jul 2011
Posts: 3,621 |
Dosing with additive and being taken a 30mile motorway route direct to the testing point got my diesel through last time. ( OH had put 'Cataclean' in for me, but it needs using quite far ahead of test ) Additives not cheap, but are in comparison to loss of car. Good luck next time.
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Joined: Dec 2010
Posts: 2,293 Likes: 3
Forum Master
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Forum Master
Joined: Dec 2010
Posts: 2,293 Likes: 3 |
Does it have an emissions sticker on the car somewhere? I've heard that if it does then the tester must fail the car if it exceeds the sticker. But if the sticker isn't there then the tester refers to a much higher (but still OK) generic level depending on age and engine size. I think this is it: https://www.gov.uk/government/publi...smoke-test-limits-and-annual-assessmentsOther than that, the usual "Italian Tuneup", good quality fuel, service and cataclean should help.
Last edited by Gibbo; 13th Nov 2018 11:28am.
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Joined: Jul 2008
Posts: 14,566 Likes: 38
Wiki Master
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Wiki Master
Joined: Jul 2008
Posts: 14,566 Likes: 38 |
Using the manufacturer plated value is stupid. It wasn’t compulsory for the manufacturer to plate the value in 2003 yet now it becomes a compulsory element of MOT if the manufacturer chose to plate it.
The classic example is a 2002 VW Passat, plated figure of 0.64 against a default of 3.0. There are brand new diesels that might struggle with 0.64.
The 0.64 was the value for a new car, it wasn’t intended to last for life.
There's a real danger that the left will drag Britain back to the 1970s, with secure well-paid jobs, ample housing, properly-funded NHS and social care, free tuition, student grants, final salary pensions, affordable rail fares and fabulous films and music. David Osland 2025 We don't do charity in Germany, we pay taxes. Charity is a failure of governments' responsibilities - Henning Wehn https://ddue.uk
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Joined: Jun 2011
Posts: 359
Old Hand
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Old Hand
Joined: Jun 2011
Posts: 359 |
Try changing the oil and all the filters, then on the way to the test center, drive in a low gear to increase the engine revs and blow all the rubbish out of the system prior to the test.
Fetere sum, ego sum Ergo
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Joined: Jul 2018
Posts: 1
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Joined: Jul 2018
Posts: 1 |
"Italian Tuneup" did the trick for me a few years back. I got rid of the car shortly after though. Didn't want to go through that again the following year.
Hi!
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Joined: Mar 2010
Posts: 4,044
Forum Guardian
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Forum Guardian
Joined: Mar 2010
Posts: 4,044 |
got my old petrol berlingo through using the clean up stuff you squirt up the air intake into carb with engine running.
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Joined: Dec 2003
Posts: 5,683
Wiki Guide
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OP
Wiki Guide
Joined: Dec 2003
Posts: 5,683 |
Going somewhere else a couple of days later did the trick. It was under the specified (co2 was 1.8 on the sticker thingy).
Wonder what happened there? They should give their probe a wipe.
"C20 LET bang"
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