When car engine is tested, the car engine P2140 Code is found. You need to know the cause of the car engine’s problem. That is why, testing the car engine is highly important. You need to check the checklist and those are Engine Oil Temperature Sensor Malfunction, Ignition/Distributor Engine Speed Input Circuit Malfunction and Clutch Position Sensor Circuit Malfunction. Usually, coolant loss is the greatest mutual cause of warmness. If your engine overheats frequently, the high temperature could effect in irreversible harm that can be a pain to restore. Prevention is the main medicine, so circumvent this kind of harm by making sure the coolant is unsoiled and the cooling system is in decent operating condition.