The engine P1290 Code lets you know about the car engine problem and it helps to solve the car engine properly. Do not allow false meaning for solving the car engine. However, do fix the car with the wrong meaning, it may make terrible problem in the car engine. You should check all symptoms and check list. The check list is Manifold Absolute Pressure/Barometric Pressure Circuit High Input, Turbocharger Boost Sensor A Circuit Low and Glow Plug/Heater Circuit ‘A’ Malfunction. Solve the car engine properly but collect the real meaning fast and know the real cause of the car engine problem.