FORD/MERCURY: MIL ON WITH DTC P0351-P0356; MULTIPLE COIL PRIMARY CIRCUIT. BUILT ON OR BEFORE 10/03/05. SOME VEHICLES EQUIPPED WITH A 3.0L ENGINE MAY EXHIBIT A MULFUNCTION INDICATOR LAMP (MIL) ON WITH TWO OR MORE DIAGNOSTIC TROUBLE CODES (DTCS) FOR COIL ON PLUG (COP) PRIMARY CIRCUIT FAULTS. *PE