WenmarOpen by Wenmar Pro

Service bulletins for the 2003 Ford Mustang

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

59 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
072122008-02-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME 1997-2008 VEHICLES EQUIPPED WITH A 4.6L 2V, 5.4L 2V, OR 6.8L 2V ENGINE--SPARK PLUG THREAD REPAIR PROCEDURE--NOT COVERED UNDER NEW VEHICLE LIMITED WARRANTY. *NJ THIS INCLUDES F-53 MOTORHOME CHASSIS. UPDATED 2/23/10. *PE
065132006-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE WITH DIAGNOSTIC TROUBLE CODE (DTC) PEWEE, P0302, P0303, P0304, P0305, P0306, P0307, P0308, AND P0316. *TT
0416012006-01-13. Service bulletin. ENGINE AND ENGINE COOLING. WDS COP KIT DIAGNOSTIC TIP - COIL ON PLUG (COP) IGNITION SYSTEMS - ENGINE MISFIRE OR ROUGH RUNNING. *TT
0410032005-04-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST LEAK - CRACKED OR SEPARATED RIGHT SIDE EXHAUST PIPE - 3.8L AND 3.9L ENGINES. *TT
0314042005-01-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE OR RUNNING - COIL ON PLUG (COP) IGNITION SYSTEMS - WDS COP KIT DIAGNOSTIC TIPS. TO INCLUDE VARIOUS 2005 MODELS. * AR THIS ARTICLE 04161 SUPERSEDES TSB 03-14-04.
041032004-09-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST LEAK. RIGHT SIDE EXHAUST PIPE ON 3.8L OR 3.9L ENGINE. *TT
163802004-07-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE CYLINDER HEAD GASKET FOR 4.6L APPLICATIONS. *TT
022212004-07-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE-GEAR DRIVEN SYNCHRONIZERS-INCORRECT INSTALLATION-CAMSHAFT POSITION SYNCHRONIZER (CMP) INSTALLATION TOOL CORRECT APPLICATION. *MJ
032562004-07-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE-ROMEO BUILT 4.6L 2V-TICK NOISE FROM ENGINE-ENGINES BUILT BEFORE 9/17/2003. *MJ
178582004-07-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE TICKING NOISE. *TT
175422004-07-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LACK OF POWER ON DECELERATION. *MJ
174972004-06-14. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. OVERHEATING CONDITION - COOLING SYSTEM FILL/BLEED PROCEDURE. *TT
171042003-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TICKING/TAPPING NOISE WITH THE ENGINE WARMED UP AND THE TRANSMISSION IN GEAR AT IDLE. 2003 E150 INCLUDED. *TT
031442003-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE OR ROUGH RUNNING CONDITION WITH COIL ON PLUG (COP) IGNITION SYSTEMS MAY BE MORE ACCURATELY DIAGNOSED USING THE OPTIONAL WORLDWIDE DIAGNOSTIC SYSTEM (WDS) COIL ON PLUG (COP) KIT. 2003 SUPER DUTY F SERIES INCLUDED. *TT
031642003-10-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES, EQUIPPED WITH THE 4.6L 2V ENGINE, WITH AN ENGINE BUILD DATE PRIOR TO 8/29/03 MAY EXHIBIT AN ENGINE TICK NOISE THAT IS PRESENT AT ALL TEMPERATURES DURING IDLE. 2004 MODELS INCLUDED. *TT
166442003-09-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES EQUIPPED WITH A 3.8L ENGINE AND THE T5 TRANSMISSION MAY EXHIBIT HIGH IDLE BETWEEN SHIFTS. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.