Audi A4 Crankshaft Sensor

Replacement crankshaft sensor — fitment, symptoms & live UK prices.

Fits Audi A4 — check your reg/VIN to confirm

Crankshaft Sensor

£10–£40.

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Will it fit my Audi A4?

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 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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Live prices£10–£40.

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