Thread: C30 Engine : - 2008 C30 T5 with error code 640C
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Old Feb 20th, 2024, 21:36   #3
2.4TSE
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Last Online: May 29th, 2024 10:48
Join Date: Dec 2004
Location: Stratford-upon-Avon
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Closing the loop for anyone finding this thread in the future.

I was unable to source the pressure relief valve in isolation so ended up having a reconditioned turbo unit fitted. This is the entire assembly of exhaust manifold, turbo, and pressure relief valve purchased as one entity.

Problem solved. We now have a properly performant C30 T5 without any error codes. With new MAF, boost pressure sensor, turbo control valve, and hours and hours of diagnostics on the way to buying and fitting the turbo assembly, I also have a somewhat lighter wallet.
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2003 V70 2.4T SE | Owned from new | M56 | Bilstein B4 | Nivomats | BSR PPC | Ferrita Exhaust | Poly small bush in lower torque mount

2008 C30 T5 SE Sport R-Design | Dynaudio | BLIS | Winter Pack | Towbar | Parking Control | Keyless | 18" Atreus
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