Turbocharger Boost Manifold Absolute Pressure Sensor MAP Sensor for 2003-2007 Dodge Ram 2500 3500 L6 5.9l Cummins Diesel Trucks Engine Replaces 3949988 5139278AA - Platinum Performance Parts, PLAT-3971106

• UPC   737946296708
• MAP SENSOR - The manifold absolute pressure sensor (MAP sensor) is one of the sensors in an internal combustion engine's electronic control system. In engines with a MAP sensor, fuel injection is widespread. Under varying engine running loads, a manifold absolute pressure sensor (MAP) monitors variations in manifold pressure and delivers a signal to the engine control unit (ECU). The original Boost MAP part numbers are 3971106 and 5139278AA. BOOSTING PRESSURE - The Manifold Pressure Sensor is useful for diagnostics since it gauges throttle and turbo performance as well as detecting leaks in the inlet manifold. Unless the turbo charger is boosting pressure, it should always read a negative pressure due to its position. THE MANIFOLD ABSOLUTE PRESSURE MAP SENSOR PROVIDES INSTANT MANIFOLD PRESSURE INFORMATION TO THE ENGINE'S ELECTRICAL CONTROL UNIT (ECU). The information is utilised to calculate air density and estimate the engine's air mass flow rate, which determines the required fuel metering for optimal combustion and influences ignition timing advance or retard. LIFE IN SERVICE - Made of high-quality materials that are extremely long-lasting, heavy-duty, and corrosion-resistant. Designed to reduce the amount of pollution released into the atmosphere. It recirculates the gas that is ejected from the truck engine. It's simple to set up and take down. Long service life is ensured by fine craftsmanship. IMPORTANT NOTE - Please double-check the description or use the year/make/model and OE component numbers, drop-down menu, and interchangeable component numbers to guarantee compatibility before purchasing. THIS IS NOT A SENSOR FOR AN INTAKE MAP. THIS IS NOT THE CORRECT PART TO PURCHASE IF YOU NEED AN INTAKE MAP SENSOR!