Code :  P0301
Make :  SUBARU
Description :  P0301 SUBARU Cylinder 1 Misfire Detected
Possible causes : 
   – Faulty spark plug 1
   – Clogged or faulty fuel injector 1
   – Faulty ignition coil 1
   – Fuel injector 1 harness is open or shorted
   – Fuel injector 1 circuit poor electrical connection
   – Ignition coil 1 harness is open or shorted
   – Ignition coil 1 circuit poor electr
Solutions : 
   – Carry out a Reset via CarDiag
   – Choose a better quality fuel
   – Check that the tank cap is securely closed
   – Check the oil level and add more if it is lower than MAX
   – Restart an Automatic diagnostic via CarDiag
   – If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.
