Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Engine intermittently misses › Reply To: Engine intermittently misses April 12, 2021 at 7:42 pm #990044 Richard KirshyParticipant Possible causes: Faulty spark plug / coil / wire Faulty fuel pressure Faulty fuel pressure regulator Dirty / faulty injector Check for clogged / faulty PCV valve