U0701 Mercedes Cl 55 OBD Code

OBD/2 U0701 error code description and symptoms.

The Camshaft Position sensor will signal the Engine Control Module when the #1 cylinder is ready for the spark plug to fire (top-dead-center on compression stroke). The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

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.

U0701 Mercedes Cl 55 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U0701 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 pump rotor control underfueling 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 pump rotor control underfueling.

Common Causes of Mercedes Cl 55 U0701 OBD2 Code

A common cause of code U0701 is the failure of Pump Rotor Control Underfueling, but there are several other possible causes as well, such as ;

Clogged or faulty fuel injector (s)
Faulty Camshaft Position Sensor
Damaged VCT phaser
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted

U0701 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

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

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U0701 Mercedes Cl 55 OBD Code

U0701 Mercedes Cl 55 Error Code Repair Process :

Common Causes of Mercedes Cl 55 U0701 OBD2 Code

U0701 code for other Mercedes cars