1994 GMC Sierra Engine cooling Problems
- Complaints
- 6about this part
- Share
- 3%of 190 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine cooling of the 1994 GMC Sierra, 3% of the 190 complaints for this model year.
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.
“When driving at any speed vehicle stalls/ cuts off and then accelerates due to a defect within the EGR valve sending unit. Also, the fuel filter and fuel pump were replaced dealer can't determine the cause of the problem.”
NHTSA complaint #847861, filed 1999-09“When driving the truck down the road, the truck will just shut off without any warning. When pulling out into an intersection, the truck will just cut off. Has taken vehicle to the dealer several times, but the dealer still hasn't fixed the problem.”
NHTSA complaint #817109, filed 1997-10“While driving the vehicle the engine shut down because of oil loss which was due to the oil filter adapter & filter dropping out of engine. The problem has been corrected.”
NHTSA complaint #821580, filed 1998-02Related service bulletins
- 10246631Sep 1, 2013Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 1 | 2% |
| 2012 | 1 | 3% |
| 2011 | 1 | 2% |
| 2010 | 1 | 3% |
| 2009 | 1 | 3% |
| 2007 | 2 | 3% |
| 2006 | 1 | 2% |
| 2005 | 9 | 8% |
| 2004 | 4 | 2% |
| 2003 | 9 | 4% |
| 2002 | 22 | 9% |
| 2001 | 22 | 8% |
| 2000 | 21 | 5% |
| 1999 | 17 | 3% |
| 1998 | 11 | 6% |
| 1997 | 15 | 6% |
| 1996 | 11 | 4% |
| 1995 | 6 | 2% |
| 1994 | 6 | 3% |
| 1993 | 7 | 10% |
| 1992 | 1 | 3% |
| 1990 | 1 | 6% |
| 1989 | 1 | 6% |
Other parts of the 1994 GMC Sierra
115 complaintsSeats
21 complaintsFuel system
15 complaintsBrakes
14 complaintsTransmission and drivetrain
6 complaintsEquipment
5 complaintsElectrical system
4 complaintsExterior lighting
3 complaintsSeat belts
3 complaintsTires
3 complaintsVehicle speed control
3 complaintsBody and structure
2 complaints
← All problems reported for the 1994 GMC Sierra
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