U043B Lotus Evora OBD Code

OBD/2 U043B error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

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.

U043B Lotus Evora Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U043B 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 exhaust gas recirculation sensor b circuit low 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 exhaust gas recirculation sensor b circuit low.

Common Causes of Lotus Evora U043B OBD2 Code

A common cause of code U043B is the failure of Exhaust Gas Recirculation Sensor B Circuit Low, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Clogged or faulty fuel injector (s)
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
Three way catalyst converter Bank 1

U043B 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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U043B Lotus Evora OBD Code

U043B Lotus Evora Error Code Repair Process :

Common Causes of Lotus Evora U043B OBD2 Code

U043B code for other Lotus cars