Intercooler, engine and vehicle

The embodiment of the utility model provides an intercooler, an engine and a vehicle. The intercooler comprises an intercooler body and an air outlet cover, the air outlet cover is installed on the intercooler body, the air outlet cover is provided with an air outlet, and the air outlet is provided with a pressure and temperature sensor; the pressure and temperature sensor can measure the vacuum degree of the intercooler and the gas temperature of the gas outlet, so that the engine control unit can correct the fuel injection quantity and the ignition timing angle of the engine to obtain the optimal air-fuel ratio, and the service life of the engine is effectively prolonged.