2004 Pontiac Sunfire Engine cooling Problems
- Complaints
- 4about this part
- Share
- 13%of 32 total for the year
- Median mileage
- 22,750miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 2004 Pontiac Sunfire, 13% of the 32 complaints for this model year. Where a mileage was given, the median is 22,750 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 stated while driving various speeds or while stopped at an idle, the engine stalled without warning. Afterwards, the engine was easily restarted. The vehicle was inspected by a dealer who determined the battery, air flow sensor, altitude sensor, and the fuel filter fitting needed to be replaced. Although the replacements were made, the problem persisted. The manufacturer was notified.”
NHTSA complaint #10168661, filed 2006-09, 34,000 milesRelated service bulletins
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10245395Nov 6, 2023This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing…
- 10242262Aug 24, 2023This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and…
- 10236164Apr 24, 2023This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308…
- 10235802Apr 24, 2023This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
- 10234110Mar 17, 2023This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
- 10227056Nov 9, 2022This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10222770Sep 16, 2022This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 2 | 3% |
| 2004 | 4 | 13% |
| 2003 | 8 | 11% |
| 2002 | 11 | 13% |
| 2001 | 12 | 18% |
| 2000 | 25 | 26% |
| 1999 | 17 | 18% |
| 1998 | 32 | 27% |
| 1997 | 31 | 16% |
| 1996 | 39 | 19% |
| 1995 | 38 | 32% |
Other parts of the 2004 Pontiac Sunfire
16 complaintsBrakes
3 complaintsEngine
3 complaintsExterior lighting
3 complaintsBody and structure
3 complaintsOther or unknown
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEquipment
1 complaintsSteering
1 complaintsVehicle speed control
1 complaintsWheels
1 complaints
← All problems reported for the 2004 Pontiac Sunfire
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