MOT failure - advice
- Thread starter danno
- Start date
This site contains affiliate links for which LandyZone may be compensated if you make a purchase.
oldskool
Well-Known Member
- Posts
- 3,116
- Location
- Essex near maldon
To much black smoke
ha yeah, i guessed that bit.....what is/could be the cause?
Strange it should fail, because these cars normally have a particulate filter (diesel cat).
If it were a non-cat diesel then: Dirty oil, worn piston rings, fuelling turned up too much.
Probably the cheapest fix might be to do an oil and filter change, when was it last serviced?
If it were a non-cat diesel then: Dirty oil, worn piston rings, fuelling turned up too much.
Probably the cheapest fix might be to do an oil and filter change, when was it last serviced?
bobbler
New Member
- Posts
- 2,773
- Location
- County Durham
running rich (fuel pump turned up)
turbo tweaked
intercooler hoses collapsing (i think)
a few possibilities but im sure there are more
turbo tweaked
intercooler hoses collapsing (i think)
a few possibilities but im sure there are more
its on a P plate so does it have a cat ? never took much notice and i aint going to check as its ****in' down
also i changed the oil + filter in MAY so not that long ago....
nathan5346
Well-Known Member
- Posts
- 11,939
- Location
- oldbury
Stick a some petrol in it
Pikey
Dummy Ejection Facilitator..
- Posts
- 47,185
- Location
- in Baron Wet Bum's Slave pit..
Fill the fooker with veg oil.
- Posts
- 44,456
- Location
- Hornchurch
air filter change
oldskool
Well-Known Member
- Posts
- 3,116
- Location
- Essex near maldon
Particulate filter and cat are different things :doh: the cat wont stop smoke/soot and it wont have a paticulate filter its to old.
oldskool
Well-Known Member
- Posts
- 3,116
- Location
- Essex near maldon
Soory peeps wasn't trying to be funny thought you didn't know what they ment by it :doh:.
As allready said put a new air filter init, do you generally drive vary carefully?? if so give a good thrashing to clear the intercooler and pipes of any excess oil this will also clear the exhaust, check for any big boost leaks ie split hoses.
Have you got the imission print out if so what were the readings? were they getting lower with each acceleration or did they stay constantly high?
i'll try a new filter, and as a rule I do drive carefully, for fuel economy more than anythin, so i'll give it a bit when i'm out next
. I havn't got the printout with me to check eithersofawizard
New Member
- Posts
- 39
- Location
- johnstone (near glasgow scotland)
if your geting lots of black soot ect try your egr valve maybe faulty
spanishlair
New Member
- Posts
- 294
- Location
- Inland Andalucia, Southern Spain
Works over here as well. If you take an "Older" oil burner for MOT (ITV) the first thing the guy checks is the engine oil level. If its not on the button you fail. Bye Bye ! Reason is if when he puts the sensor up the pipe and its too high he will put it outside and red line it for a while. Then he tests it again ( he wants to pass it). He wants the oil level OK in case he blows the engine. Works for me!
nrgserv
Well-Known Member
- Posts
- 4,208
- Location
- shipley, west yorks.
drop fuel filter off and refill it with injector cleaner.
assuming nowt else has been "tweeked"
assuming nowt else has been "tweeked"
alex8882
Well-Known Member
- Posts
- 1,377
- Location
- lytham,st.annes
I'll second that. my went for it test last month tank full of bio, guy seemed alittle confused when testing it lol.
brockus
Active Member
- Posts
- 304
- Location
- Hull, England, UK
??? really just hajackin the thread haah
i ran my car on veggie wen the offer was on at tescos...
so if i ran it does it cut my emesions ???? and how ??
Cheers
