2004 Ford Mustang GT Engine Problems
- Complaints
- 1about this part
- Share
- 7%of 14 total for the year
- Median mileage
- 142,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2004 Ford Mustang GT, 7% of the 14 complaints for this model year. Where a mileage was given, the median is 142,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“After starting engine, spark plug ejected from block and exploded. Engine was immediately shut down and hauled to a repair mechanic. Cost of repair was $2,400 and vehicle was in shop for 5 days. Explosion was loud and could have caused an accident with the shock of the loud noise.”
NHTSA complaint #10722477, filed 2015-05, 142,000 milesEngine: other model years
Other parts of the 2004 Ford Mustang GT
3 complaintsEngine cooling
3 complaintsAir bags
2 complaintsElectrical system
2 complaintsOther or unknown
2 complaintsVehicle speed control
2 complaintsEquipment
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsSeat belts
1 complaints
← All problems reported for the 2004 Ford Mustang GT
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology