I know that there is a lot of answers on this topic but i can not seem to find the right solutions.engine light has come one with p1296 code reading and i just had complete timing belth-water pump,termostat change.i allso changed both coolant sensors (one behind the engine and one on the bottom of the radiator but check engine light comes back on after reseting it(takes about 5 days and light is back on).any help is greatly appreciated.