U2391 Lotus Elise 111r OBD Code

OBD/2 U2391 error code description and symptoms.

Fuel Rail Pressure Sensor in Range But Low The comprehensive component monitor (CCM) monitors the FRP pressure for acceptable fuel pressure. The test fails when the fuel pressure falls below a calibrated value. Low fuel pressure Damaged FRP sensor Excessive resistance in circuit Low or no fuel A FRP PID value below 551 kpa (80 psi) indicates a failure Low or no fuel A FRP PID value greater than 896 kpa (130 psi) indicates a failure.

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.

U2391 Lotus Elise 111r Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U2391 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 booster pedal force switch circuit failure 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 booster pedal force switch circuit failure.

Common Causes of Lotus Elise 111r U2391 OBD2 Code

A common cause of code U2391 is the failure of Booster Pedal Force switch circuit Failure, but there are several other possible causes as well, such as ;

Erratic camshaft position due to low oil pressure
Clogged or faulty fuel injector (s)
Faulty Air Flow Meter
Damaged VCT phaser

U2391 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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U2391 Lotus Elise 111r OBD Code

U2391 Lotus Elise 111r Error Code Repair Process :

Common Causes of Lotus Elise 111r U2391 OBD2 Code

U2391 code for other Lotus cars