snatch block · Sep 25, 2011

I have got a 300 tdi disco on tick over it runs fine but as soon as you increase the revs to about 1750 -2000 it seems to miss fire and bellows out white smoke if you drive it it is realy flat i have checked all the boost pipes they are all i have checked there is no air or water in the fuel supply that is also ok ,and its not pressurising the header tank so dont think its the head gasket ,oh and if you smell the oil it has a horrible burnt smell to it ,do you think it is turbo related any advice will be much appreciated

Dr_evil · Sep 25, 2011

White smoke would be water in the engine no ?

blue beasty · Sep 25, 2011

Dr_evil said:
White smoke would be water in the engine no ?

or unburnt diesel

snatch block · Sep 25, 2011

Dr_evil said:
White smoke would be water in the engine no ?

so would this mean head gasket then

blue beasty · Sep 25, 2011

snatch block said:
so would this mean head gasket then

....or faulty injector

Dr_evil · Sep 25, 2011

blue beasty said:
or unburnt diesel

Yaaaa but if it's running lumpy that shouldn't be it then ? I thought if it was being over-fuelled it shouldn't miss and should be black smoke

snatch block said:
so would this mean head gasket then

Not sure mate, have a quick search on the engine section or in this one

More likely than not someones had this problem and fixed it

Fur Trapper · Sep 25, 2011

blue beasty said:
or unburnt diesel

:5biamwithstupid::5biagree: Cold motor will do that let it warm up 5 min before you move it or give it throttle, And make sure all your glow plugs are working, it dosent have to be freezing for them to work. every time a cold motor starts the glow plugs come on.

Fur Trapper · Sep 25, 2011

Dr_evil said:
Yaaaa but if it's running lumpy that shouldn't be it then

I thought if it was being over-fuelled it shouldn't miss

Not sure mate, have a quick search on the engine section or in this one

More likely than not someones had this problem and fixed it

A funky injector pump will do that. had it happen to me, new pump problem solved. To many jump at the head gasket thing to quickly

snatch block · Sep 25, 2011

blue beasty said:
....or faulty injector

Is there any way of testing these ?

blue beasty · Sep 25, 2011

Dr_evil said:
Yaaaa but if it's running lumpy that shouldn't be it then ? I thought if it was being over-fuelled it shouldn't miss and should be black smoke

Not sure mate, have a quick search on the engine section or in this one

More likely than not someones had this problem and fixed it

unless of course it was a faulty in...............oh never mind

Dr_evil · Sep 25, 2011

haha good idea

blue beasty · Sep 25, 2011

easiest thing is to take it to a garage and ask them to do a sniff test then you'll know if tis HG

Fur Trapper · Sep 25, 2011

snatch block said:
Is there any way of testing these ?[/quote

Yes at a injector doctor(A shop that does injector repair) and the same for injector pump.

And maybe James martin will save the day for us> He is the man in the know

snatch block · Sep 25, 2011

Dr_evil said:
Yaaaa but if it's running lumpy that shouldn't be it then ? I thought if it was being over-fuelled it shouldn't miss and should be black smoke

Not sure mate, have a quick search on the engine section or in this one

More likely than not someones had this problem and fixed it

i have searched through loads of threads and checked things that have been mentioned but to no avail

as i said before the oil smells burnt

Fur Trapper · Sep 25, 2011

snatch block said:
i have searched through loads of threads and checked things that have been mentioned but to no avail as i said before the oil smells burnt

When was the last time you changed the oil? miles/and months

snatch block · Sep 25, 2011

Fur Trapper said:
When was the last time you changed the oil? miles/and months

3 months ago along with all the filters

it started doing it last sun went to a pay and play site went well all day went well on way home a 60 mile drive then about 9 miles from home i had to excellerate hard to pass some slow traffic then went down a long hill on overun as i went to climb up the other side it let out clouds of black smoke and went as flat as a turd so had to limp it home now its doing what i said in my first post

Fur Trapper · Sep 25, 2011

snatch block said:
3 months ago along with all the filters it started doing it last sun went to a pay and play site went well all day went well on way home a 60 mile drive then about 9 miles from home i had to excellerate hard to pass some slow traffic then went down a long hill on overun as i went to climb up the other side it let out clouds of black smoke and went as flat as a turd so had to limp it home now its doing what i said in my first post

Stat 1 Stat1 Dr Martin Dr Martin stat 1 Beyond my skills, now we need the specialists

jamesmartin · Sep 26, 2011

there are 2 kinds of white smoke ,water disappears quickly usually head gasket etc after off roading with rad been bunged ,unburnt fuel hangs about,unburnt because of fault injection or faulty egr valve

Dufty · Sep 26, 2011

snatch block said:
last sun went to a pay and play site... 60 mile drive...about 9 miles from home i had to excellerate hard to pass some slow traffic...as i went to climb up the other side it let out clouds of black smoke and went as flat as a turd

First rule of diagnosis "What did you change?" - sounds like something happened while you were playing, perhaps a small rupture that took a while to bleed out/in.

Double-check for signs of damage along the fuel system, starting at the tank and work forward. Do the same for air then water.

Something to consider until the Dr arrives.

Dufty · Sep 26, 2011

Ah, he arrived.
I'll get me coat.

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