P3781 Plymouth Duster OBD Code

OBD/2 P3781 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.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P3781 Plymouth Duster Error Code Repair Process :

If your air suspension rear height sensor low signal circuit short to battery 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 P3781 and engine control unit are in charge of monitoring a bunch of different air suspension rear height sensor low signal circuit short to battery, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Plymouth Duster P3781 OBD2 Code

A common cause of code P3781 is the failure of Air Suspension Rear Height Sensor Low Signal Circuit Short To Battery, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
1Camshaft Position Sensor circuit poor electrical connection
Faulty starter motor
Oil flow restriction in the oil passages or the VCT valve body

P3781 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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P3781 Plymouth Duster OBD Code

P3781 Plymouth Duster Error Code Repair Process :

Common Causes of Plymouth Duster P3781 OBD2 Code

P3781 code for other Plymouth cars