Intermitant power loss on GTI

[Davey]

Hi, I have a little problem on my 07 GTI. 95% of the time it's fine but occasionally when I floor it, it just dosnt have the normal power. It feels like there is no turbo boost. When this happens, if I lift off fully and then floor it again the power is back to normal.

Any ideas what the problem is? I know it's not the PCV as I had that replaced last week due to a different issue and this problem existed both before and after the new PCV was fitted.

I'm suspecting maybe a sticky diverter valve but that just a guess!

Thanks

Dave

[FamilyDub]

Sounds like the DV. Mine was the same.

Get the revision 'D' piston-type valve fitted. They are ~£45 from stealers. Others might recommend the Forge item, but it's more than double the price and unless you're seriously tuned (or intend to be), then the OEM part is perfect.

Part Number 06H 145 710 D

[RTechUK]

Hi, I have a little problem on my 07 GTI. 95% of the time it's fine but occasionally when I floor it, it just dosnt have the normal power. It feels like there is no turbo boost. When this happens, if I lift off fully and then floor it again the power is back to normal.

Any ideas what the problem is? I know it's not the PCV as I had that replaced last week due to a different issue and this problem existed both before and after the new PCV was fitted.

I'm suspecting maybe a sticky diverter valve but that just a guess!

Thanks

Dave

Hello,

Have you checked for any fault codes?

Nick

[Davey]

Sounds like the DV. Mine was the same.

Get the revision 'D' piston-type valve fitted. They are ~£45 from stealers. Others might recommend the Forge item, but it's more than double the price and unless you're seriously tuned (or intend to be), then the OEM part is perfect.

Part Number 06H 145 710 D

Hi, any idea how much they are fitted? Local VW stealer wants £49 just to diagnose the problem so it might just be worth replacing on spec!

[Davey]

Hello,

Have you checked for any fault codes?

Nick
[/quote]

No, I'm trying to avoid paying the local VW stealer the £49 they want just to diagnose the problem!

[RTechUK]

Hello,

Have you checked for any fault codes?

Nick

No, I'm trying to avoid paying the local VW stealer the £49 they want just to diagnose the problem!
[/quote]

Doh!!

I am only 2 mins down the road and I offer members FREE diagnostics,  Take the trip down the M69 anytime or the next time I am over the inlaw at Cov I will PM and pop to see you.

[Davey]

Doh!!

I am only 2 mins down the road and I offer members FREE diagnostics,  Take the trip down the M69 anytime or the next time I am over the inlaw at Cov I will PM and pop to see you.
[/quote]

Great, thanks. A little more than 2 mins as I'm in south Cov but I'll pop over to you some time over the next day or 2.

Dave

[Davey]

Thanks for the checkover today Nick. Have now filled up with decent fuel so will see how it goes over the next couple of weeks.

Cheers

Dave

[RTechUK]

Thanks for the checkover today Nick. Have now filled up with decent fuel so will see how it goes over the next couple of weeks.

Cheers

Dave

Kepp me updated,  You should start to feel the midrange power getting stronger as the ecu adapts the timing advance as it gets used to the fuel.

Nick

[FamilyDub]

Sounds like the DV. Mine was the same.

Get the revision 'D' piston-type valve fitted. They are ~£45 from stealers. Others might recommend the Forge item, but it's more than double the price and unless you're seriously tuned (or intend to be), then the OEM part is perfect.

Part Number 06H 145 710 D

Hi, any idea how much they are fitted? Local VW stealer wants £49 just to diagnose the problem so it might just be worth replacing on spec!

No idea, but there are several guides on the t'interweb on how to DIY it.  My garage said 'ten minute job, mate'.

It's only about 3-4 torque screws, but the DV is buried on the o/s, near the bottom and you need axle stands to be able to reach it. I don't, so I got it done at the same time as another 2-3 niggly jobs.

Has the checkover sortethe issues you were having?