C3958 Mercury Ln7 OBD Code

OBD/2 C3958 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.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

C3958 Mercury Ln7 Error Code Repair Process :

If your air suspension rr air compress request exceeded max timing 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 C3958 and engine control unit are in charge of monitoring a bunch of different air suspension rr air compress request exceeded max timing, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Soso)
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Repair Time (50 Min.)
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Cost Prediction : $ 40-75

Common Causes of Mercury Ln7 C3958 OBD2 Code

A common cause of code C3958 is the failure of Air Suspension RR Air Compress Request Exceeded Max Timing, but there are several other possible causes as well, such as ;
Wrench Tool C3958 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.

C3958 code for other Mercury cars

You can view according C3958 DTC for your car model. We selected several models to see obd2 solutions click and view it.

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

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