C0690 Rolls-royce Touring OBD Code

OBD/2 C0690 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.

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.

C0690 Rolls-royce Touring Error Code Repair Process :

The scent may C0690 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such C0690, so if the inside of your car audio reverse aid mute input ckt failure as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Rolls-royce Touring C0690 OBD2 Code

A common cause of code C0690 is the failure of Audio Reverse Aid Mute Input Ckt Failure, 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 starter motor
Oil flow restriction in the oil passages or the variable camshaft timing (VCT) valve body

C0690 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.

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

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C0690 Rolls-royce Touring OBD Code

C0690 Rolls-royce Touring Error Code Repair Process :

Common Causes of Rolls-royce Touring C0690 OBD2 Code

C0690 code for other Rolls-royce cars