B3986 Simca Vedette Marly OBD Code

OBD/2 B3986 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.

B3986 Simca Vedette Marly Error Code Repair Process :

For wiper wash/delay switch circuit failure check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. B3986 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks wiper wash/delay switch circuit failure with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Simca Vedette Marly B3986 OBD2 Code

A common cause of code B3986 is the failure of Wiper Wash/Delay Switch Circuit Failure, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Faulty starter motor
Faulty Crankshaft Position Sensor (POS)
Open VPWR circuit

B3986 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

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

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B3986 Simca Vedette Marly OBD Code

B3986 Simca Vedette Marly Error Code Repair Process :

Common Causes of Simca Vedette Marly B3986 OBD2 Code

B3986 code for other Simca cars