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Author Topic: GT TDI 150 No POwer  (Read 12100 times)

Offline th3musicmak3r

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GT TDI 150 No POwer
« on: 15 February 2010, 08:30 »
Hi was driving to work this morning and lost all power doesnt matter what gear i change into the turbo doesnt kick in. Any ideas guys? Had a search but nothing seems to come up that matches the issues i am having. seems to be topping out at 50mph and thats struggling
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Offline Rhyso

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Re: GT TDI 150 No POwer
« Reply #1 on: 15 February 2010, 08:35 »
do you have thick black smoke coming from the exhaust?
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Offline th3musicmak3r

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Re: GT TDI 150 No POwer
« Reply #2 on: 15 February 2010, 10:24 »
nope. it weird after stopping checking the car over then starting it back up it is working fine for the moment. Duno if this gives anymore ideas?
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Offline Rhyso

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Re: GT TDI 150 No POwer
« Reply #3 on: 15 February 2010, 10:27 »
Quote from: th3musicmak3r on 15 February 2010, 10:24
nope. it weird after stopping checking the car over then starting it back up it is working fine for the moment. Duno if this gives anymore ideas?


If you're struggling to get up to speed it could be that your MAF is goosed.  Try unplugging it and see if it runs better

Look at the airbox and follow the big pipe back towards the engine - you'll see the plug approx 6 inches from the airbox :smiley:
« Last Edit: 15 February 2010, 10:37 by Rhyso »
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Offline th3musicmak3r

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Re: GT TDI 150 No POwer
« Reply #4 on: 15 February 2010, 12:33 »
Ya so if i disconnect that and then go for a drive it should be ok correct? Could anything else cause the issue as no lights or fault codes seem to have been logged. well nothing is set on the dash anyways.
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Offline Rhyso

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Re: GT TDI 150 No POwer
« Reply #5 on: 15 February 2010, 12:35 »
if it runs better with the MAF disconnected then you need a new MAF; if no change then its something else

Re-reading your original post it sounds like you've hit limp mode - this cuts the turbo out and it feels like a 1.0 Nova!

Although no lights on the dash you need to get it to someone with VAGCOM or diagnostic scanner who can read the codes for you :afro:

Whereabouts are you?
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Offline A7 UFO

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Re: GT TDI 150 No POwer
« Reply #6 on: 15 February 2010, 12:38 »
you beat me to it Rhyso, I'd just typed up the same response.
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Offline th3musicmak3r

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Re: GT TDI 150 No POwer
« Reply #7 on: 15 February 2010, 12:39 »
yep thats it. I am junc 18 m6. Whats this limp mode thing caused by? just hope it not guna b a dear repair job :-(
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Offline A7 UFO

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Re: GT TDI 150 No POwer
« Reply #8 on: 15 February 2010, 12:44 »
could be as a result of a number of things...possibly as easy as a boost leak.
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Offline th3musicmak3r

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Re: GT TDI 150 No POwer
« Reply #9 on: 15 February 2010, 12:46 »
Mmmm Just seems weird that after i turned the car off then turned it back on again it ran fine and pulled through the gears no problem. How much am i looking at for a scanner? or to get it done by someone,
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