Black smoke loss of power and engine light

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angeloc

angeloc

Well-Known Member
Posts
1,012
Location
West Wales
Black smoke loss of power and engine light coming on and going off.

Oh eck!!! Been doing lots of things on my Freebie - have cleaned and refitted injectors. Have fitted engine breather BMW one. Fitted EGR bypass and after all thus had a slight miss. Replaced EGR with standard one and used injector cleaner. It seemed to be smoother but less powerful. Took it to work for a plug in diagnostic - no faults and all seemed ok.

Driving home - got to motorway and then there was a lot of black smoke drop in power then engine management light came on it cleared and off again for a couple of minutes then kept repeating the sequence. It's home mow and it starts and sounds ok revs freely but does give out of bit of black smoke - less than when under load.

Until this it has been powerful and running sweet except for a little miss at about 2500rpm that I thought was a injector.

I cannot obviously see any splits in the intercooler hoses but will check this.

I did get the MAF off and cleaned it but it ran for 100 miles ok apart from this very slight miss.

What do you reckon?
 
2.0_hippo said:
:search:
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Easier said then done on an iPhone and the info you get may not be the most up to date. I have always that the forums are full of people who ate happy to give current info rather than it bring a repository where stuff is simply stored and doesn't change.

So yes I have searched and found similar but not exact matches to symptoms. It points to intercooler hoses and to be sure I have ordered 2 - I couldn't get down and dirty last night do it is off the road not until I can get to work on it. Hey ho
 
The little s**t - here is the problem!!!
56a51684-1882-160d.jpg
 
I have ordered for quick delivery ordinary ones for now but yeh I will look to doing something else - I saw someone on here do a conversion with alloy or stainless pipe - looked awesome and would sort it long term. I cannot believe it was so dramatic - one minute all ok then drop in power and all hell breaks loose! Must have split in one go.
 
Why buy new? Why not just repair it? I repaired one on my Vectra, that was 18K miles ago, it's still going now!
 
mick 1986 said:
Why buy new? Why not just repair it? I repaired one on my Vectra, that was 18K miles ago, it's still going now!
Click to expand...

Now you have announced it to the world watch it go! I hope not but I have to tell you this. I approached a roundabout and a guy driving a Japanese 4x4 came around bellowing black smoke - I thought get it sorted man! 200 yds later mine key go!!!! Ha ha that will teach me - it's karma!
 
I doubt it will go, the turbo boost pressure in the Vectra is around 22-25psi, it's held it fine so far, bring on the next 20K!
 
Update - new intercooler hoses fitted and a clips tightened up - now it's running sweet - bags of power and no black smoke.

I think there is still a slight flutter midrange but it's so small as to be nothing and may be the end of junk on an injector - I will drop one more bottle of cleaner in. Also I suspect the ECU now had to learn how to run the fueling system correctly without holes and a split on the hoses!!!

I am surprised how much of an effect it had though and tip from me is keep a roll of amalgam tape in the vehicle - might just get you home if it happens. Better advice though is junk the hoses when they get soft and limp!!!
 
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