[SHAKEN]

Yeah got mine last night here is what oasis had to say (friend of mine is a Ford Senior Tech) will be heading for the dealer monday morning

SYMPTOM CODE INFORMATION
497000 - ENGINE NOISE CONCERNS

SPECIAL SERVICE MESSAGES
17858 2003-2004 MUSTANG 4.6 4V - ENGINE TICKING NOISE

SOME 2003-2004 MUSTANGS WITH A 4.6L 4-VALVE ENGINE MAY EXHIBIT A TICKING
NOISE FROM THE CYLINDER HEAD THAT CAN BE HEARD COMING FROM THE WHEELWELL
AREA, OR WHEN STANDING NEXT TO THE VEHICLE. A LIGHT TICKING NOISE IS
CONSIDERED NORMAL ON THIS ENGINE. IF THE NOISE IS DETERMINED TO BE EXCESSIVE,
FOLLOW NORMAL DIAGNOSTIC PROCEDURES TO DETERMINE ROOT CAUSE. ENGINEERING IS
CURRENTLY INVESTIGATING THIS CONDITION. MONITOR OASIS FOR UPDATES.
EFFECTIVE DATE: 06/09/2004



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16354 2000-2003 MUSTANG COBRA 4.6L 4V, 2000-2003 NAVIGATOR AND 2002 BLACKWOOD 5.4L 4V - ENGINE TICKING NOISE IN UPPER AREA OF CYLINDER HEAD(S)

SOME 2000-2003 COBRA EQUIPPED WITH A 4.6L 4V ENGINE, 2000-2003 NAVIGATOR
AND 2002 BLACKWOOD EQUIPPED WITH A 5.4L 4V ENGINE, MAY EXHIBIT A TICKING
NOISE FROM THE AREA OF THE UPPER CYLINDER HEAD. THE CONDITION IS MORE
NOTICEABLE WHEN ENGINE IS WARM. TO SERVICE, USE A STETHOSCOPE TO ISOLATE THE
NOISE. CHECK ENGINE OIL PRESSURE AT IDLE. WITH CAM COVERS REMOVED, OBSERVE
OIL FEED PRESSURE AT EACH CYLINDER HEAD. INSPECT FOR VALVE TRAIN DAMAGE. CK
TENSIONERS, CAMSHAFT SPROCKETS OR FOR A MISSING SPACER BEHIND THE SPROCKETS &
LASH ADJUSTERS. SERVICE AS REQUIRED. REMOVE FRONT INTAKE CAMSHAFT LADDER
(ONE CAM LADDER AT A TIME) & INSPECT THE CAMSHAFT LADDER BOSSES FOR DEBRIS.
CLEAN SURFACE AND REINSTALL LADDER. TORQUE THE BOLTS TO 10 NM, STARTING FROM
THE CENTER BOLTS AND OUTWARD. REPEAT PROCESS FOR REMAINING LADDERS.
EFFECTIVE DATE: 10/24/2002



I hope the light noise the refer too is injector noise