- Check other service codes first
- Blocked or leaking air intake system
- Damaged turbo charger
- Faulty Boost Pressure Sensor
When is the code detected?The Engine Control Module (ECM) has detected that the boost pressure is lower than the expected boost pressure
- Engine Light ON (or Service Engine Soon Warning Light)
P0299 Chrysler DescriptionThe Manifold Absolute Pressure (MAP) sensor measures the pressure inside the intake manifold. The pressure in the intake manifold is affected by turbocharging output, engine speed, accelerator pedal input, ambient air temperature, and Barometric Pressure (BARO). A diaphragm within the MAP pressure sensor is displaced by the pressure changes that occur from the varying load and operating conditions of the engine. Under normal operation, then the lowest pressure that can exist in the intake manifold is equal to the BARO. This occurs when the vehicle is operated at idle or when the ignition is ON while the engine is OFF. The highest manifold pressure occurs when the turbocharger output is high. The manifold pressure range from 58 kPa (8 psi) when pressure are low to more than 296 kPa(42.7 psi) when pressures are high, depending on the BARO.
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