2004 Volvo S40 Engine Problems
- Complaints
- 2about this part
- Share
- 4%of 48 total for the year
- Median mileage
- 100,625miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2004 Volvo S40, 4% of the 48 complaints for this model year. Where a mileage was given, the median is 100,625 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.
“The contact owns a 2004 Volvo S40. While driving at approximately 10 MPH, the vehicle stalled without warning. The vehicle did not restart. The vehicle was taken to a dealer where it was diagnosed that the pem was faulty. The vehicle was repaired. The manufacturer was made aware of the issue. The failure mileage was 100,625. Updated 04/07/15 updated 11/3/2015”
NHTSA complaint #10681175, filed 2015-02, 100,625 milesRelated service bulletins
- 11032678Apr 23, 2026This is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform the test. Follow service procedure Description and Service sections updated to clarify…
- 10157864Feb 9, 2019This is a Technical Journal: Oil in cooling system. New cleaning method developed.
- 10159079Mar 27, 2018This is a Technical Journal: In case of complaint of Noise, some "tools" have been created to help you to do a better and more precise fault tracing
- 10088644Oct 19, 2016This is a technical journal: in case of complaint of noise, some "tools" have been created to help you to do a better and more precise fault tracing
- 10110147Jun 14, 2016All new Volvo engines leave the factory filled with Castrol EDGE Professional as an integral part of their delivery of high performance. Castrol EDGE Professional?s outstanding…
Engine: other model years
Other parts of the 2004 Volvo S40
12 complaintsAir bags
11 complaintsElectrical system
11 complaintsFuel system
8 complaintsEngine cooling
5 complaintsSteering
4 complaintsVehicle speed control
4 complaintsExterior lighting
2 complaintsLatches, locks and linkages
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaints
← All problems reported for the 2004 Volvo S40
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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