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Old 26-07-15, 02:36 PM   #1
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Default 207 hdi wastegate electovalve / solenoid actuator

Hello folks, looking for a bit of help please. My fiance has had a 207 sw outdoor 1.6 Hsu for a while, it only has 33k and about 3 week's ago, it seemed to lose much of its power, as if it didn't have a turbo.

I took it to the garage who diagnosed that there was no vacuum pressure to operate the wastegate, although the wastegate itself functions correctly (verified myself by sucking on some vacuum hose) and sure enough there is no vacuum from the pipe when removed from the wastegate. Here's a quick picture

uploadfromtaptalk1437917545093.jpg

Now the garage, and latterly me, have scanned the ecu and it shows a pending fault with the wastegate solenoid valve, which presumably is stopping the vacuum being applied to the wastegate

uploadfromtaptalk1437917672179.jpg

So, I've been trying to locate this valve by following the vacuum hose but the whole thing disappears behind the engine, and I simply can't trace it.

uploadfromtaptalk1437917754936.jpg

Can anybody advise me where this valve is located?

Thanks,
Rich.
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Old 26-07-15, 05:55 PM   #2
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If its where I think it is you need to take the airbox out and you can access it from there, but not very easily because you can hardly see what you are doing
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Old 26-07-15, 07:14 PM   #3
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Quote:
Originally Posted by joe366 View Post
If its where I think it is you need to take the airbox out and you can access it from there, but not very easily because you can hardly see what you are doing
Thanks Joe, I was worried that you might say that.

Is there anyway of identifying which one is valve 'A' or will there only be one?
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Old 26-07-15, 07:31 PM   #4
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Fairly sure there is only 1, can have a look on service box for you to check if you like
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Old 26-07-15, 08:01 PM   #5
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That would be very much appreciated
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Old 27-07-15, 04:57 PM   #6
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Here is the diagram, looks to just be the one
Attached Thumbnails
screenshot_2015-07-26-19-37-33_1438012591551.jpg  
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Old 27-07-15, 07:18 PM   #7
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Thanks for this, I don't suppose you have a higher resolution image? It's just I can't make it out once zoomed in. Thanks
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Old 27-07-15, 08:01 PM   #8
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Yes:
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Old 27-07-15, 09:39 PM   #9
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Thanks so much, this picture really helps.

For diagnosis purposes, is it okay to bypass the valve in this diagram so I can see whether this resolves the issues and restores boost?

I'll get the airbox off one night this week, then I can check for anything silly, such as a pipe that's come off or something
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Old 27-07-15, 09:50 PM   #10
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Yeah, just don't rev it too high just incase
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