What is a Duramax map sensor?
What is a Duramax map sensor? The manifold absolute pressure (MAP) sensor measures the pressure inside of the intake manifold, which corresponds to turbocharger boost pressure. This is one of many parameters used to determine fuel injection rates, thus a faulty MAP sensor can have a significant impact on performance and fuel economy. Are there any high temp thermostats for Duramax? Login or create an account to earn Points! The Mishimoto Chevrolet Duramax high-temperature thermostats activate at a higher temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in colder climates or have trouble...