Thread: Smoking TD5

Just to add further to this I have remembered that I have also recently replaced the MAF and crank position sensors (these were both prior to the smoking not in response to it).

Would leaking or over fueling not smoke white rather than black?

Are you possibly using more oil than usual?

Sorry, more questions than answers, hope you get it sorted quickly!

Had a problem with a Jackaroo doing a similar thing, cleaned out the EGR valve and MAF sensor and flushed out the intercooler and air intake duct with a 4 ltr bottle of metho, what was happening was the exhaust gasses from the EGR back thru to the intake manifold were oiling up the air intake. Cleaned it all out and seemed to rectify the problem. I just did the injector seals on the Jack on the weekend due to white smoke, not black, no.4 was leaking through. Sounds like overfuelling.

Not using oil.
No EGR ever fitted as originally sold in South Africa.

I guess the intercooler has never been cleaned so it could/does need it doing.

interms of smoke exhaust smoke colours I thought the following was the case

Black = Fuel
Blue = oil
white = water

am I wrong?


I guess one thing I should declare is that I added ~5l of used oil to the last full tank >100l in order to dispose of it, I know people who use up to 30% used oil as fuel without major smoking issues so unless it has collected in the bottom of the tank and I am now just running on oil only I didn't expect it to do this. Maybe oil disposal only on long runs from now on!

The smoke colours as you've listed them might be accurate...

You are however saying that you've got no power loss, so you might be back to the old oil in the tank...

Cheers,

Lou

If your black smoke coincided with putting the oil in the tank then I'd say that's your issue.
Black smoke is either air restriction or over-fueling.
My money would be on the oil

Did I read that right... Waste oil in your fuel tank???? I hope not! Waste oil is exactly that... Dirty black oil containing soot from inside the engine and a whole other lot of nasties! Set light to a little bit in an old tin and watch how black and dirtily it burns. I'd be dropping the contents of the tank, filters and lines immediately, flushing them all, and preying your not up for a set of injectors... They're not cheap!!! Good luck! If you mean Veg oil, then not soo bad. I make and use veg oil but not in the Td5 as have been advised against it. Another reason for the planned fitting of the TD42!

I know a lot of guys in the UK use waste oil in TD5s they say its fine provided its been filtered.
The reading I have done indicate it should be filtered to 5 Microns