1994 GMC Sonoma engine and engine cooling problems
12 owner complaints filed with NHTSA name the engine and engine cooling on the 1994 GMC Sonoma — 5% of all complaints for this model year.
What owners report
“The vehicle stalled without warning, which made the vehicle difficult to control. *jb ford recalled the same problem with aluminum head/steel block and could the cause of the gasket going out. Scc”
filed Mar 13, 2003
“Whenever driving vehicle would suddenly accelerate for no reason. Could stand on brakes & vehicle failed to stop. Vehicle was not controllable. Tried shifting into neutral also failed. Vehicle threw a tie rod into the motor & damaged it. It has be replaced. Sudden acceleration happened on 26…”
filed Nov 14, 2000
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013Information concerning engine knock/rattle or tap noise before engine has reached operating temperature or under light load conditions at operating temperature (replace piston and/or rod assemblies). Ak
776001 · Service Bulletin/Repair Instructions · issued Jul 1, 1997Knock, rattle or tap noise from the engine before the engine has reached operating temperature or under light load conditions at operating temperature knock, rattle or tap noise from the engine before the engine has…
776001 · Service Bulletin/Repair Instructions · issued Mar 1, 1997
Engine and Engine Cooling problems in other Sonoma years
| Year | Reports | Share |
|---|---|---|
| 2003 Sonoma | 1 | 3% |
| 2002 Sonoma | 4 | 7% |
| 2001 Sonoma | 7 | 8% |
| 2000 Sonoma | 6 | 4% |
| 1999 Sonoma | 4 | 7% |
| 1998 Sonoma | 11 | 7% |
| 1997 Sonoma | 8 | 7% |
| 1996 Sonoma | 19 | 13% |
| 1995 Sonoma | 26 | 12% |
| 1993 Sonoma | 7 | 12% |
| 1992 Sonoma | 2 | 8% |
| 1991 Sonoma | 4 | 14% |
Other reported problem areas on the 1994 GMC Sonoma
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.