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Verso - P1250 Turbocharger System Malfunction


toyota4me
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Sorry mate. What i meant is that i can't even open the screws that are holding the sensor, because at the moment there the metal grill to which the wipers are attached to, is in the way. Once i can remove this, then i should have easy access to open the screws.

Can you not remove the airbox and pipe ?

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*********************UPDATE*********************

hi guys,

i have just managed to test the verso after spraying the hitachi sensor with the Electrical Contact Cleaner spray and would like to update you.

When i was in 2nd gear, i hit the gas pedal to see if it still pulls back(limp mode) as though its about to stall. The bad news is it still did that, although after a bit the car speed suddenly kicked in and it was like it was a ferrari, lol!

The good news is the car did not stall.

Now where do i go from here? When i put my foot down on the accelerator, the car behaves as though its gonna cough and stall, but it then does kick into life and quickly gathers speed....its as though its got some sort of rubbish stuck in one of it's pipes that needs blasting out. :dontgetit:

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Right, please don't take false hope from this but you could try getting someone to have a go at doing this http://www.toyotaown...howtopic=133396. This isnt a DIY job, i would imagine a turbo specialist would do it. As the turbo might be blocked in some way.

But, if the turbo is knackered it will need a replacement or reconditioned unit. There are no other options as far as fixing it goes.

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Hi all,new to this site but i just wanted to say that we had 2 of these this week with P1250 code and the same symtoms and on both the vacum sensing valve was faulty!!!

Cheers Paul, lets hope Billy see`s this post and is the cause of his problem as well.

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@ cabcurtains - thanks very much mate. It seems like its a big job :dontgetit: . I'll see if i can find a reliable garage and i'll mention it to the mechanic to look at cleaning the Vane.

@ dellboy7500 - thanks for that. What is the Vacuum sensing valve? Is it the one i tried to clean?

Oh btw, does anyone know how much approximately it would cost if i had to replace the whole turbo?

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@ cabcurtains - thanks very much mate. It seems like its a big job :dontgetit: . I'll see if i can find a reliable garage and i'll mention it to the mechanic to look at cleaning the Vane.

@ dellboy7500 - thanks for that. What is the Vacuum sensing valve? Is it the one i tried to clean?

Oh btw, does anyone know how much approximately it would cost if i had to replace the whole turbo?

You need to learn how to search Google :lol: ;) http://www.toyotaownersclub.com/forums/index.php?showtopic=100034 this thread should be useful re the VSV

From a dealer your probably looking at over £1200 for a new turbo however a reconditioned should be between 600-800 quid ish. As a rough guide.

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  • 2 weeks later...

hi guys,

i'm sorry for not getting back earlier as i never not been online much. I've just had a look at paul's post regarding the sensor, which sounds promising.

I have found a mechanic friend who is willing to try and fix this problem at his garage. But he's been very honest and said that he's never attempted to clean the turbo vanes before. He recommended exactly what Dale has already recommended which is to get the specialist cleaner and try to clean the turbo - but it sounds like a big job...i mean how does he get access to the turbo? Is the access easier on the ramp? Any advice or pics on how to do this job on a Toyota Avensis Verso?

If the turbo could not be fixed, can it be removed/disconnected permanently and the car still be drivable?

Also which is the easier to try first?...check sensor or clean turbo vanes?

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Have a look on YouTube mate. There are products and how to's in order to clean the Turbo. There was one posted on here the other week back. Looked like it did a great job an all...

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thanks mistermena...i've already got the product - its called Innotec Turbo Cleaner, but i need someone to tell me where exactly the turbo is located and how i can access it. I showed it to my friend, but since he mainly deals with subaru and mitsubishi cars, he doesn't know much about the avensis. Can you or anyone please show me where i can find and access this turbo from to clean it?

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  • 8 months later...

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