JAGUAR: ENGINE MIL ILLUMINATION. ON CERTAIN MODEL VEHICLES EQUIPPED WITH THE 4.2L V8 ENGINE ONLY, THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P0411 STORED IN THE ENGINE CONTROL MODULE (ECM). ON BOARD DIAGNOSTIC STRATEGY MAY EXPERIENCE A FALSE DETECTION OF SECONDARY AIR INJECTION (SAI) PERFORMANCE (THE CALIBRATION INDICATES AN ERROR EXISTS WITH PUMP PRESSURE OR CHECK VALVE OPERATION WHERE NONE EXISTS). *PE