excesive smoke

hughes86

Active Member
Dec 3, 2007
159
0
manchester
cleaned out my egr valve on my leon tdi 150 the other day, when i got it off found it really caped in crap, now it is back on it smokes twice as bad. big puffs of black smoke when ever i boot it. looks embarrasing when driving lol. anyone had this before on their leons if so what was it?
 

Makey_FR

Active Member
Dec 31, 2008
68
0
my 130pd smokes quite bad, changed the air filter but ant really bothered with it much as iv got no loss in power, if it aint broke, dont fix it i say =) but if anyone has any ideas...
 

hughes86

Active Member
Dec 3, 2007
159
0
manchester
i have put a pipercross airfilter in a few months ago, tried driving down the motorway in 5th trying to blow any crap out but tat didnt work it just drank my fuel lol just seems worst now
 

rallynut

Active Member
Dec 25, 2008
280
0
check if the pipes are all secure and not leaking,maybe even dwn by the intercooler
 

hughes86

Active Member
Dec 3, 2007
159
0
manchester
checked all pipes no faults with them everythig is secure. just have to see how it goes. hopefuly it will clear its self out
 

v0id

Active Member
Apr 21, 2009
209
1
Leeds
maybe try resetting the ecu? if it was really bad before you cleaned it out the ecu might be 'trained' to overfuelling?
just a thought, I could be wrong.
 

v0id

Active Member
Apr 21, 2009
209
1
Leeds
disconnect battery negative terminal for 15 mins
car will run differently until it relearns everything
 

hughes86

Active Member
Dec 3, 2007
159
0
manchester
no didnt clean out the manifold sean but spke to al at awesome today and he said after the car has been mapped it will smoke more than normal. due an oil change next month anyway so will see what it is like then
 

n11tht

Active Member
Mar 17, 2009
278
0
under the bonnet
no didnt clean out the manifold sean but spke to al at awesome today and he said after the car has been mapped it will smoke more than normal. due an oil change next month anyway so will see what it is like then

mine was smoking heavily and i mean thick black smoke until i changed the oil, from now on i will be doin an oil change every 6000 miles