C270 Loss of Power and Engine Whistle

[Barachello]

Have noticed this over the last few days, and was hoping for a bit of guidance.

Basically the car has lost power, and is in semi limp mode (won't rev over 2k, but does accelerate) and no kickdown.

There is a distinct whistle when accelerating, which has become more distinct over the last while.

I have changed the MAF, in June to be exact, so I am happy it is ok.

Are there any pipes, bar the turbo intake, which I should be looking at, as I am assuming it is an air leak? ?

2004 C270 cdi

PS is there something wrong with the search function on the forum at the minute ??

 

[E270 Owner]

Not sure about the search function, but the stickies are working ok, have a look.

 

[whitenemesis]

Split intercooler pipe..,

 

[Barachello]

Thanks for the reply

I will check the intercooler pipe.

Just for a bit more info on my car, there is no smoke from the exhaust, and no codes being given on my bluetooth reader.

 

[Barachello]

Bit of an update

I have just checked all pipes, and they all seem OK, and when out on a test drive the EML came on.

Did a quick scan with my ELM and it gave me 'P0034: Turbo Charger Bypass Valve Control Circuit Low'

Does this point to the turbo wastegate?

 

[WG M-B]

Check the underside of the boost pipe which attaches to the egr chamber. When you open the hood it's on the right hand side (looking at the engine) , and easy to feel!
It may have a split on the bottom of the boost pipe

 

[Barachello]

I have checked that pipe, it connects to the engine side of the egr and runs underneath, and seems fine.

Thanks for that though

 

[BlackC55]

Check the inter cooler for a leak too.

 

[WG M-B]

If you have a boost leak you will hear it.
And if you have a blocked cat you will hear something similar
Get the car on star

 

[Barachello]

No signs of any leaks whatsoever

I have no MB Indies locally, but it may be my only option