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D3 4.2tdi P1008/P0101
Hello I want to see if anyone else has had a similar issue/nightmare on the 4.2tdi, I've had a maf sensor fault P1008 and sometimes P0101 for over a year onto my 7th sensor so Left and right are brand new and checked for boost leaks, symptoms car looses acceleration power after about 15mins running and the engine rev to 4300rpm but with slow acceleration. Turning the ignition off and on and the acceleration is back.
I've been trying to do some logging to further investigate the issue, what I have noticed is there's a around a 50c different between left and right pre turbocharger temperatures, could this cause the issue maybe and is the sensor in the turbochargers? any help appreciated thanks. Vcds: P1008 - Mass Air Flow Sensor 1/2 Mass Air Flow Sensor 1/2: Implausible Signal Last edited by jonnypym123; 27th January 2023 at 06:47 PM. |
#2
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Not familiar with diesels, but came across two threads that might be worth reading, if only to eliminate as a cause. They both refer to the turbo actuator being the culprit:
https://www.vwaudiforum.co.uk/forum/...den-Power-Loss This second thread never went anywhere, but there is an interesting comment about unplugging the actuator: https://www.audiworld.com/forums/a8-...-loss-2998936/
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts Sold! 2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds |
#3
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Thanks Steamship, will give the actuator unplugging a go see I that has any bearing.
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#4
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Thanks Steamship, will give the actuator unplugging a go see if that has any bearing.
Last edited by jonnypym123; 29th January 2023 at 09:34 AM. Reason: Duplicate |
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