P1303 BMW – Misfiring Cylinder 3

P1303 BMW Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light),Engine run rough

P1303 BMW Possible Causes

Faulty spark plug 3,Faulty Ignition Coil 3,Ignition Coil 3 harness is open or shorted,Ignition Coil 3 circuit poor electrical connection

P1303 BMW Description

Ignition monitoring cylinder spark duration too short