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View Full Version : Td42 on a Y61 blowing black smoke..



wiseacts
6th August 2019, 10:23 PM
Hello folks..
What does it mean blowing black smoke from exhaust. Specially when A/C is on? Took to a diesel repare shop had my feul pump checked as well as the injector nozzles clean. Still same problem.
Now started to see slight smoke blowing from cylinder head when opening oil inlet cover. Thanks
P.S. eats diesel like crazy.

MudRunnerTD
6th August 2019, 11:04 PM
Needs a tune from someone that knows what they are doing. Black smoke is over fueling, someone has turned the fuel delivery screw up. Turn it back or down. If it's a turbo then you could turn up the boost will help a lot. Watch your exhaust temps too.

wiseacts
6th August 2019, 11:13 PM
Needs a tune from someone that knows what they are doing. Black smoke is over fueling, someone has turned the fuel delivery screw up. Turn it back or down. If it's a turbo then you could turn up the boost will help a lot. Watch your exhaust temps too.

Thanks MudRunnerTD.
What about "Now started to see slight smoke blowing from cylinder head when opening oil inlet cover."

MudRunnerTD
6th August 2019, 11:19 PM
Likely a little blow by. How many kms on the engine?

wiseacts
6th August 2019, 11:25 PM
Likely a little blow by. How many kms on the engine?

Can't really tell as it is a replacement for a Zd30.. But went test on the ground this smoke was not there.. Want to make sure it's nothing much to worry about for now.
Wail.

mudski
7th August 2019, 08:20 AM
I would be taking it to a different shop for another opinion. Get a compression test done on each cylinder while your at it. It could just be bad fuel too. Turbo failing. Do you know how much boost the turbo is making?

MudRunnerTD
7th August 2019, 04:30 PM
I would be taking it to a different shop for another opinion. Get a compression test done on each cylinder while your at it. It could just be bad fuel too. Turbo failing. Do you know how much boost the turbo is making?

He is in Sudan so im thinking he is on his own.

mudski
7th August 2019, 08:59 PM
He is in Sudan so im thinking he is on his own.

Maybe not. Google the city. Its pretty big. Population of over 3.5mil. Anyway. Surely theres more than one place. Im not convinced the shop he took it too is correct.
For the OP. Install a boost gauge and see what the boost is reading. It could just be a simple a too low boost pressure. More info would help. If possible...

MB
7th August 2019, 09:47 PM
Nuffy me, does old mate above have a turbo or just IP screwed up and stinky mudski MudRunnerTD mates?


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mudski
7th August 2019, 10:06 PM
Nuffy me, does old mate above have a turbo or just IP screwed up and stinky mudski MudRunnerTD mates?


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Haha yeah I just assumed it got a snail hanging of it. It’s it’s NA, not sure. Could be a block air filter...


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MB
7th August 2019, 10:11 PM
So true bloke[emoji106]
Red dust, choking the poor old intake makes em stink for sure good man [emoji106][emoji106]


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