Technical Definition:
Cylinder 3 Misfire Detected
Trouble Code: P0303
Address: 0x0303
System: Powertrain
Subsystem:
Address: 0x0303
System: Powertrain
Subsystem:
Technical Description:
Possible Causes:
Possible Symptoms:
Cylinder 3 Misfire Detected
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Faulty spark plug 3
– Clogged or faulty fuel injector 3
– Faulty ignition coil 3
– Fuel injector 3 harness is open or shorted
– Fuel injector 3 circuit poor electrical connection
– Ignition coil 3 harness is open or shorted
– Ignition coil 3 circuit poor electrical connection
– Insufficient cylinder 3 compression
– Incorrect fuel pressure
– Intake air leak
Specific Makes:
– Lack/loss of power
– Hard start
– Engine hesitation