2004 Ford Mustang problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control:accelerator Pedal (26) · Air Bags (5) · Vehicle Speed Control (4)
🧭 Reliability snapshot
Compared against other Ford Mustang model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
89 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (33)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe 2016-09-21 · SSM 46085 · Service Bulletin/Repair Instructions
the powertrain control/emissions diagnosis (pc/ed) manual has been revised for diagnosing electronic throttle bodies (etbs). the etc_act and etc_dsd pids should not used to diagnose possible etb concerns. the ids has a limited refresh rate when reading these pids and cannot display quickly enough to
Engine And Engine Cooling:engine 2007-10-01 · 07212 · Service Bulletin/Repair Instructions
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
Engine And Engine Cooling:engine 2006-01-01 · 06513 · Service Bulletin/Repair Instructions
engine misfire with diagnostic trouble code (dtc) pewee, p0302, p0303, p0304, p0305, p0306, p0307, p0308, and p0316. *tt
Power Train:axle Assembly 2006-01-01 · 06216 · Service Bulletin/Repair Instructions
limited slip axle chatter, shudder, binding sensation, or vibration during low speed turning maneuvers. *tt
Engine And Engine Cooling 2005-11-14 · 041601 · Service Bulletin/Repair Instructions
wds cop kit diagnostic tip - coil on plug (cop) ignition systems - engine misfire or rough running. *tt
Seat Belts:front:retractor 2005-06-07 · 042421 · Service Bulletin/Repair Instructions
safety belt retraction speed. *tt
Showing the 6 most recent of 33 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-07-03 · Suspension“po442 evaporative emmison system leak. heat catalyst egr set malfunctions. primary and secondary a/c system deficiencies. …”
2024-04-12 · Power Train:driveline:differential Unit“see attached document for complaint…”
2021-01-09 · Service Brakes“casual driver. noticed acceleration and coasting/rolling were sluggish. mechanic noted brake area temp on front driver's side was over 400 degrees. the brakes on that wheel would not release completely and caused continuous friction producing overheating. (i noticed i am not the only one to submit this brake problem to this board. ) the mechanic…”
2020-08-27 · Fuel/Propulsion System“never know when car is fully gas up always put gas in at 1/4 to 1/2 tank, will overfill if not very carefully so really just put no more than 10 to 15 dallas never shows full. do not want to overflow on me for one two it's bad for my baby #1 mustang…”
2019-12-01 · Unknown Or Other · 💥 crash“back on march 1, 2016 i believe i was coming to a stop light i applied my foot on the break and the car seem to wanna keep inching forward inching forward i had at this time continued to press down on the break as soon as i knew it i was in the middle of the street practically during a red light and was sideswiped. after looking under to see what w…”
2019-10-20 · Unknown Or Other · 💥 crash“gas pedal got caught on a piece of carpet which caused my car to enter into an intersection on a red light and caused me to have an accident. which then made my insurance jump. i remember this day very well it was the day before my birthday i came up to the red light and stopped the car seem to want to keep moving forward as i put my foot on the br…”
2019-04-18 · Service Brakes · 69,000 mi“abs brake light is on this is unsafe in wet or snowy conditions…”
2018-11-26 · Vehicle Speed Control · 169,865 mi“tl* the contact owns a 2004 ford mustang. while driving 25 mph, the accelerator pedal became caught in the floormat and caused the vehicle to accelerate. the contact had to shift into neutral to stop the vehicle. the dealer and manufacturer were not contacted. the failure mileage was 169,865.…”
2018-11-15 · Unknown Or Other · 💥 crash“back in 2016 i was involved in an accident in which my gas pedal seemed to have got hung up on the carpet which caused my gas pedal to accelerate a little when i was at a red light causing me to have an accident.. i was coming to a stop at a red light when the pedal seemed to have got stuck. i had my foot on the brake but the car seemed to want to …”
2018-09-04 · Vehicle Speed Control · 171,000 mi · 💥 crash“tl* the contact owns a 2004 ford mustang. while attempting to drive off from a parking space, the vehicle accelerated from 0 to approximately 40 mph. as a result, the vehicle crashed into the front driver's side of another vehicle the air bags did not deploy. a police report was filed. there were no injuries. the vehicle was damaged, but was not to…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.