Audi A4 B8 Crankshaft Sensor
Replacement crankshaft sensor — fitment, symptoms & live UK prices.
Fits Audi A4 B8 — check your reg/VIN to confirm
From £10.99 · 6 live listings on eBay
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Will it fit my Audi A4 B8?
Position and connector vary by engine code — petrol and diesel versions aren't interchangeable, and some engines have both a crank and a cam sensor that get mixed up.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Audi A4 B8 crankshaft sensor needs replacing
- Car cranks but won't start
- Random stalling, especially when hot
- Engine warning light with a crank position code
- Rough idle or misfire
Fitting it yourself
Usually one bolt near the crank pulley/flywheel — quick if access is clear, awkward if it's buried behind ancillaries.
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