Question about 2005 Volkswagen Microbus

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Vw turbo black smoke loss of power

Black smoke loss of power

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2006 VW tdi black smoke while accelerating

Hi
The only sensible way forward is to get a list of fault codes from the onboard diagnostic system and take it from there. You could either go to a VW dealer, or if you are technically minded you could buy a £15 interface cable, download some free "VAG diagnostic software" and run it on a portable computer.
There are lots of possible reasons for the problem and guessing will not really help. If these suggestions turn out to be sound, please give my reply a "Fixya!"rating, If they do not, please hold off rating and add a comment with more details so I can try to help you further. Cheers, D

Posted on Dec 02, 2008

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  • 1 Answer

SOURCE: VW T4 2.5 TDI engine makes rattling noise no loss

hi. that noise is the vacuum pump knocking. it should stop if you press the break pedal a few times or pull the pipe of the break servo. £120 on ebay half hour job to change

Posted on Jun 01, 2009

alicantecoli
  • 22156 Answers

SOURCE: vw tdi turbo dying

check the rubber pipes are not collapsing ,they run from the air filter to the turbo if they appear ok then replace the turbo

Posted on Sep 09, 2009

  • 153 Answers

SOURCE: some loss of pick up power and a hissing or air

Look for a leak on the pressure side of the turbo. I dont think the turbo is bad or else it wouldnt make the wooshing noise. You need to put the engine under a load to build turbo boost. Just giving it throttle in neutral wont work. Block the drive wheels up off the ground SECURLEY and put it in gear up to about 35 mph and ride the brake and give it throttle to find out where the leak is and repair from there

Posted on Oct 15, 2009

Lloyd Six
  • 560 Answers

SOURCE: lack of power

Turbo failure is never normally intermittant so I doubt it is a turbo fault.

The wastegate relys on a signal from the ECU via the MAFS.

Mass Air Flow Sensors are very common to fail on VW TDi and this also fits in with your symptoms.

Kind regards

Lloyd

Posted on Feb 21, 2010

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Power loss and smoking


Toyota Hilux engine power loss Questions & Answers - Fixya

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Have a 2004 toyota carolla 2ltr d4d , it looses power when the engine is close to full heat , no turbo and loads of black smoke , have changed egr maf , full service , intercooler cleand stil hav prob


loads of black smoke, loss of power and heating all indicate a faulty turbo--not winding up to provide the air flow required
check turbo actuator got the turbine vanes
Take it to a turbo repair shop and have it tested.

Apr 08, 2015 | Toyota Cars & Trucks

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Exhaust smoke definitely not steam. Someone opined that it may be related to the turbo/exhaust system. What do you think?


A worn turbo or broken would create smoke. Blue or Gray smoke is either worn rings or a clogged PCV. White smoke is from foreign fluid entering the engine. Typically indicative of a head gasket leak. Black smoke is Leaking injectors or an ignition problem or an issue with the turbo.
If you are experiencing a loss in power then you most likely have a worn turbo bearing.

Sep 16, 2011 | Volvo S60 Cars & Trucks

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2005 transit loud turbo,no power especially on inclines,puffing black smoke from exhaust


The black smoke is blow-by you need a ring job. Oil is getting by the top ring of your pistons in one or more cylinders. Loss of power under a load is also indicative of this.

Oct 22, 2010 | Ford Transit Connect Cars & Trucks

1 Answer

Lack of power


Turbo failure is never normally intermittant so I doubt it is a turbo fault.

The wastegate relys on a signal from the ECU via the MAFS.

Mass Air Flow Sensors are very common to fail on VW TDi and this also fits in with your symptoms.

Kind regards

Lloyd

Feb 21, 2010 | 2005 Volkswagen Microbus

1 Answer

Loss of power


has anyone tested the turbo?

Jul 07, 2009 | BMW 325 Cars & Trucks

1 Answer

I have a volks wagen golf pd gt tdi 130bhp driving and suddenly loss of power i checked if a turbo hose came off and they were fine no signs of excessive smoke turbo was ok because turbo pipe was...


sounds awfull like a dud airflow meter vw's are prown for them if there is no power u would think there was no turbo it would be defo a airflow meter

Jun 19, 2009 | Volkswagen Golf Cars & Trucks

1 Answer

Power loss and black smoke?


I had a similar issue to this after I got in a VERY small fender bender (literally) in an 87 Turbo Supra. In my case, my pasenger fender got pushed in JUST enough to crack a charge pipe and cause a boost leak.

Basically, what was happening was the turbo would spool and build boost, the mass fair flow sensor would read all this air coming in and tell the ECU to dial up the the appropriate amount of fuel. When the air reached the cracks in the charge pipe, it would escape out of them. Thus there was a much lower air-to-fuel ratio, causing less fuel to combust, which lead to power loss and black smoke out of the exhaust.

My guess is either an oxygen sensor, or more likely a boost leak.

Good luck mate.

Jun 19, 2009 | 2000 Ford Focus

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