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Turbo Loss Of Power


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#1 Mcollings

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Posted 13 September 2018 - 08:08 PM

I recently picked up a coral blue turbo. Ran like a dream for the first few weeks but now has a loss of power on full throttle. The turbo spools up and you get the initial torque around 2k rpm but then the full turbo power never arrives and it feels more like an na, I'd say 130-140bhp tops. Car is standard apart from a milltek exhaust. Took it to a local Vauxhall dealer and they were a bit useless, there are no fault codes to report and the car otherwise runs perfectly. A few people have suggested intake pipes collapsing under load. Any recommendations for mechanics in Cumbria that might no what to do? I'm based in carlisle. Cheers in advance. Matt

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#2 redvts

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Posted 13 September 2018 - 09:12 PM

Sounds like you are not getting any boost, check your waste gate/actuator isnt jammed

#3 Ormes

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Posted 13 September 2018 - 09:28 PM

I think it does sound like intake pipe collapsing under load.  First check if yours has reinforcing bands, and whether it feels squigy when warm.  Also check air filter isn't in a state.  Also, as reddvts says.

 

Failing that, could be a boost pipe just popped off... you'd hear it though I'm sure.



#4 Mcollings

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Posted 14 September 2018 - 02:35 AM

Thank you. Is that something I could feasibly check myself? Any guides or tutorials as to where to find it?

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#5 Ivor

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Posted 14 September 2018 - 06:04 AM

Thank you. Is that something I could feasibly check myself? Any guides or tutorials as to where to find it?

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Unlikely I could help but where abouts are you?

#6 Mcollings

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Posted 14 September 2018 - 06:27 AM

Carlisle unfortunately!

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#7 Dashwood

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Posted 14 September 2018 - 09:55 AM

Could also be the boost solenoid next to the turbo. Mine failed and it felt exactly like this.



#8 Mcollings

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Posted 14 September 2018 - 12:11 PM

Thanks mate. I'll check through these tomorrow and have a look. If it were the solenoid, is that an easy fix? Expensive?

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#9 redvts

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Posted 14 September 2018 - 12:28 PM

They arent that expensive theres one on the turbo and one elsewhere, i posted the part numbers up a long time ago, have a search

#10 siztenboots

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Posted 14 September 2018 - 01:18 PM

or the small rubber pipes to and from the solenoid to the wastegate have split.




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