29th October 2022, 07:03 PM
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Senior Member
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Join Date: Nov 2013
Posts: 1,142
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Fault code after replacing oil filter gasket
Evening all, finally got around to tackling this and it wasn't too bad. Intake manifold off, cleaned everything, replaced gaskets and everything put back together. On start up, it seemed ok (no warning lights) so turned it back off whilst I cleaned some other bits. On final start up, MIL was on and VCDS gave the following code:
001632 - Intake Manifold Tuning Valve Control Circuit (Bank 1)
P0660 - 004 - Elect. Malfunction
Is Bank 1 on the right hand side as you stand in front of the car?
I have checked all connectors and it's all plugged in. When the manifold was removed, I cleaned it carefully and didn't remove the motors or arms so as not to disturb the position. The flaps were removed around 3 years ago and never had an issue. Does this seem like a motor issue or an electrical one?
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2008 (facelift) S8 with B&O, ACC, glass sunroof, reversing camera, front and rear heated seats, ceramic brakes, homelink, electric side and rear blinds, ski load through, heated fan washer jets, remote boot closing, de-flapped manifold, fridge, umbrella holder 
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