C3431 Trouble Code

View C3431 obd/2 error code description and symptoms. C3431 engine photo

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.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

C3431 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3431 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If steering column switch circuit out of range so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the steering column switch circuit out of range.

C3431 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C3431

A common cause of code C3431 is the failure of Steering Column Switch Circuit Out of Range, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Camshaft advance mechanism binding (VCT unit)
Faulty oil control valve (OCV)
Erratic camshaft position due to low oil pressure

C3431 code for all cars

You can view according C3431 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3431 Standard Superior

+C3431 Dodge Shadow

+C3431 Matra-talbot Murena

+C3431 Nissan Terrano Ii

+C3431 Pontiac Rageous

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