#1: HDI Diesel Black Smoke Author: purrjoe, Location: South CoastPosted: Mon May 16, 2011 1:18 pm ---- Wonder if any one could put me on the right track.
My high miler 1.4 HDI runs very well, returning good MPG and burns very little oil.
At the last MOT, when it came to the smoke test, it belched out clouds of black sooty smoke and just about passed at the third attempt.
It has now become worse and I'm fearful it will fail the next MOT.
Is there a usual reason for this ?
Any and all help would be greatly appreciated. Thanks.
#2: Re: HDI Diesel Black Smoke Author: glenpring, Location: KENTPosted: Mon May 16, 2011 1:24 pm ---- do you take it on long runs short runs, do you floor in or take it easy i belive if you you take it up and down the motor way quite heavy footed it should clear
#3: Re: HDI Diesel Black Smoke Author: bigtony85, Location: NottinghamPosted: Mon May 16, 2011 1:27 pm ---- yep needs a bloody good blow out from the sounds of it
#4: Re: HDI Diesel Black Smoke Author: Jay794, Location: Sheffield/Chesterfield/DronfieldPosted: Mon May 16, 2011 1:45 pm ---- Dirty fuel? or turbo (if the 1.4 has a turbo) on the way out (thats what happened to me)
#5: Re: HDI Diesel Black Smoke Author: Aar_Im_A_Pirate, Location: Northern IrelandPosted: Mon May 16, 2011 1:58 pm ---- I've never had a smoke test in my hdi
#6: Re: HDI Diesel Black Smoke Author: Rob2859, Location: HalifaxPosted: Mon May 16, 2011 2:07 pm ---- You kind of answered your own question. Its a diesel
Or your turbo could be fudged.
...or were you stupid enough to put petrol it it?
#7: Re: HDI Diesel Black Smoke Author: Seabook, Posted: Mon May 16, 2011 2:08 pm ---- clean the air filter, change the oil.
if none of this help then check the turbo.
#8: Re: HDI Diesel Black Smoke Author: Steve206, Location: UKPosted: Mon May 16, 2011 2:23 pm ----
Aar_Im_A_Pirate wrote:
I've never had a smoke test in my hdi
You have, at every MOT.
When was the car last serviced?
#9: Re: HDI Diesel Black Smoke Author: Aar_Im_A_Pirate, Location: Northern IrelandPosted: Mon May 16, 2011 2:38 pm ----
Steve206 wrote:
Aar_Im_A_Pirate wrote:
I've never had a smoke test in my hdi
You have, at every MOT.
When was the car last serviced?
I go through NI mot. We only do petrol emissions =D
Been through 2 mots with it. You should see some of the cars that pass mot with the reek flying out of them
#10: Re: HDI Diesel Black Smoke Author: Steve206, Location: UKPosted: Mon May 16, 2011 3:03 pm ---- Diesels do a smoke test, but maybe its different in Ireland.
#11: Re: HDI Diesel Black Smoke Author: panason1c, Location: SomersetPosted: Tue May 17, 2011 4:57 am ---- Its normal to push out excess smoke on the first couple of 'blasts' on the throttle if the car has previously been only pottering around and built up a residue of diesel particulates in the exhaust system...........the fact that it passed the mot suggests to me that nothing is wrong with your vehicle.......Another reason for excess smoke is a dirty air filter, have it looked at.
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