Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Will a timing belt throw a OBD-1 code? 1993 HOnda accord. › Will a timing belt throw a OBD-1 code? 1993 HOnda accord. November 23, 2019 at 8:52 pm #895334 college manModerator If the engine light is not on, Then the computer has not seen any faults. Remove the timing belt cover and inspect the belt. I would also line up the timing marks to see if the car is in time and not jumped teeth.