Ford Repair Questions? Ask a Mechanic for Answers ASAP
Here is the diagnostic procedure for the P1299. There are no T codes you must have misunderstood them on that one. The P stands for powertrain. The P1299 is for the cylinder head temperature sensor. If this sensor is indicating an overheating condition it will shut down fuel injectors to try to cool the engine. This may be where your misfire codes came from.