P3929 Chrysler 300 OBD Code

OBD/2 P3929 error code description and symptoms.

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

P3929 Chrysler 300 Error Code Repair Process :

If your master cylinder pressure sensor circuit open check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P3929 and engine control unit are in charge of monitoring a bunch of different master cylinder pressure sensor circuit open, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Chrysler 300 P3929 OBD2 Code

A common cause of code P3929 is the failure of Master Cylinder Pressure Sensor Circuit Open, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Dirty Oil
Fuel filler cap remains open or fails to close
Loss of ground.

P3929 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P3929 Chrysler 300 OBD Code

P3929 Chrysler 300 Error Code Repair Process :

Common Causes of Chrysler 300 P3929 OBD2 Code

P3929 code for other Chrysler cars