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Discussion Starter #1
Good night,
I have an Opel Astra G Van 1.7 DTI with Y17DT engine and now it have no power, without any significant noise or smoke. It is very dificult to do small hills even on first and second gears.
Last week I have got a fault error P0704 ,clutch switch I think so but in the meantime disappeared.
Someone have any idea about the root cause of this problem?
Thanks
 

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Have you checked the EGR to see if it's clogged up, air filter is it okay, is it due a service?.
 

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Discussion Starter #3
Thanks by replaying. The normal service has been done, this is: engine oil and filters (air, fuel and oil) were changed. EGR valve I have not checked yet, I will try to check it next weekend. Another sensor that I think can be related to this symptoms is MAP sensor, what do you think about this possibility?

thanks
 

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Did you run a live data check on desired vs actual boost when it's refusing to pull properly ?
if the two readings are out check the turbo wastegate is moving ok,

s-l1600.jpg
 
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