Faulty ignition coil on cylinder 2. Worn spark plug. Fuel injector fault. Compression loss (head gasket, valve). Vacuum leak near cylinder 2.

Which cars are affected by P0302?

P0302 is most commonly reported on Ford, Vauxhall, BMW, Volkswagen, Audi vehicles, but can appear on any make.

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P0302

High severity

Cylinder 2 Misfire Detected

A misfire has been specifically detected in cylinder 2. This is more targeted than a P0300 random misfire and helps narrow down the fault to components serving that cylinder.

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Common causes of P0302

1Faulty ignition coil on cylinder 2

2Worn spark plug

3Fuel injector fault

+2 more causes

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Commonly affected vehicles

FordVauxhallBMWVolkswagenAudi

P0302 can appear on any vehicle — these are the makes where it is most frequently reported.

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Recalls & technical bulletins

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Related fault codes

P0171Medium

System Too Lean (Bank 1)

P0300High

Random/Multiple Cylinder Misfire Detected

P0420Medium

Catalyst System Efficiency Below Threshold (Bank 1)

P0172Medium

System Too Rich (Bank 1)