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Old 22-06-17, 09:39 PM   #1
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Exclamation 207 1.6hdi wastegate help ?

Hi I have a 207 1.6hdi it's got very lil or no boost at all
I've had it remap to 150bhp and also have had the dpf removed and removed from the car it's self still no boost
Very lil play in turbo so don't think that is the problem it did bring a fault up for air pressure sensor/map sensor so I got a new one still no joy I've now been told it could be the wastegate so I just wanted to know if anybody knows should it have any play in the wastegate like should I be able to push it in with very lil pressure or should it be stiff to push in as mine has a very lose feel to it
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Old 22-06-17, 10:08 PM   #2
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Hi,
If you have a look on YouTube you can find out if there is any play in the wastegate and how to check it.
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Old 22-06-17, 10:19 PM   #3
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If you had it remapped to cure the lack of boost that was silly as you need to fix the problems BEFORE adding more potential reasons for problems !!

Wastegate is not really a wastegate on a modern turbo yours will most likely be a variable geometry turbo and this is most likely your issue the vanes are gummed up due to the lack of boost making issues worse or there is no vacuum to actually move the vanes
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Old 22-06-17, 10:42 PM   #4
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If you had it remapped to cure the lack of boost that was silly as you need to fix the problems BEFORE adding more potential reasons for problems !!

Wastegate is not really a wastegate on a modern turbo yours will most likely be a variable geometry turbo and this is most likely your issue the vanes are gummed up due to the lack of boost making issues worse or there is no vacuum to actually move the vanes

No the remap was for the dpf removed as I fort it was blocked and only turns out not to be
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Old 22-06-17, 10:55 PM   #5
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Dpf would be clogged with no boost yes but as i say you need to fix the real problems there was no need to remove the DPF these systems are easily fixed with the correct diagnosis.

Should have come here first !

1st thing to test is vacuum levels to the capsule on the turbo no vacuum =no boost then check all pipework for leaks.
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Old 22-06-17, 11:26 PM   #6
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Dpf would be clogged with no boost yes but as i say you need to fix the real problems there was no need to remove the DPF these systems are easily fixed with the correct diagnosis.

Should have come here first !

1st thing to test is vacuum levels to the capsule on the turbo no vacuum =no boost then check all pipework for leaks.
I've checked all the turbo pipes they seem okay if it's any help it has very very small moment when starting the car then that's it so could be something to do with vacuum pipes but I'm at a loss as I don't no where it leads to it's somewhere round the back of the engine
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Old 22-06-17, 11:46 PM   #7
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I've checked all the turbo pipes they seem okay if it's any help it has very very small moment when starting the car then that's it so could be something to do with vacuum pipes but I'm at a loss as I don't no where it leads to it's somewhere round the back of the engine
Also no pipes expand when ravin engine like there isn't even a turbo
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Old 23-06-17, 12:13 AM   #8
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pipes wont expand when revving if your turbo is not working !

Check vacuum.
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Old 23-06-17, 12:25 AM   #9
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pipes wont expand when revving if your turbo is not working !

Check vacuum.
Okay mate that's what I was thinking I will check vacuum tomoz anywhere I should like start or any kind of testing I can do that would help me out at all like any parts common on them for vacuum to fail ?
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Old 23-06-17, 07:43 AM   #10
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Check the vacuum piping for splits or loose pipes.
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