Diagnostic help
When the DTC is generated, the engine stalls. The next time the engine is started, engine speed is limited to 2200 RPM.
A mechanical fault is preventing the throttle from closing. P1251 or P1264 generated and throttle control in limp home mode. Throttle has been open since then despite the driver releasing the accelerator pedal.
WARNING:
The car must not be driven until the fault has been rectified.