white smoke & no pickup TD5

**Yorkie** · 21st May 2013, 02:04 PM

Originally Posted by Alex 110

OK, so I drained the fuel tank, refuelled it after a 3km walk to the nearest servo to get a jerrycan of diesel. Started it up, a bit of white smoke for a couple of minutes til the pipes cleared, now its running better than it has for a long time - a puff of black smoke under hard acceleration (WOT to 4000rpm), but that's probably turbo wastegate adjustment - I had to play around with the rod to disconnect it & check the wastegate wasn't jammed.
Before anyone else jumps in I did not say I played around with my rod

So I'll be shortening it up until just before overboost & I'll be happy again.
Alex

extreme way of cleaning the fuel system but will have done just that!.

on for the good oil, add ULP to the td5 tank for improved performance!.

**Alex 110** · 21st May 2013, 02:13 PM

Originally Posted by Yorkie

extreme way of cleaning the fuel system but will have done just that!.

on for the good oil, add ULP to the td5 tank for improved performance!.

**justinc** · 21st May 2013, 08:48 PM

Originally Posted by Alex 110

Thanks Justin, I just checked my fuel receipts & guess what? $20 of vortex 95 went in the tank shortly before the problem started. That's what happens when you've been using a commodore & both need fuel at about the same time. My bad. I feel like a real dill.
I traveled about 50km with the mix in the tank. Am I likely to have stuffed the injectors?
Obviously I now need to drain the tank & the fuel lines - anything else I need to do? (apart from take more care at the servo)

no damage i'd expect, thank goodness it isn't a modern common rail engine

. just drain out whats left, drain or change the fuel filter and run a full tank of clean diesel through it

you'd be surprised how often we see this....
jc

**BIG O** · 22nd May 2013, 11:33 AM

Wow now that is interesting. I always thought you couldnt get away with it on a Td5. I know I once did it on my old D1 Tdi and ran beautiful after also . There has always been I guess a rumour that truckies always put a little unleaded in their tanks for the same reason .

**Disco4_tech** · 22nd May 2013, 07:03 PM

Originally Posted by justinc

no damage i'd expect, thank goodness it isn't a modern common rail engine

. just drain out whats left, drain or change the fuel filter and run a full tank of clean diesel through it

you'd be surprised how often we see this....
jc

Have had a few come in to our work, and luckily these older engines can handle a little bit of unleaded ! Just drain the tank, fill with diesal and let them run for a hour or two and its all good.

While reading this thread I was really thinkin it seemed like contamination. Lucky for the owner it was not faulty Injectors.

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