2003 Oldsmobile Alero engine problems
17 owner complaints filed with NHTSA name the engine on the 2003 Oldsmobile Alero — 9% of all complaints for this model year.
What owners report
“1200 miles after j02 recall car runs sluggish going up canyon. Stop car and engine is misfiring. Turn around and coast downhill in neutral until check engine light turns on then stop and park car for several hours. Called dealer and asked what I should do. Coast out of the canyon with the engine…”
filed Jul 20, 2019
“Tl* the contact owns a 2003 oldsmobile alero. While the key was in the ignition, the engine failed to engage without warning. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 90,000.”
filed May 8, 2017
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service 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 or misfire, MIL with DTCs, and explains how…
16-NA-383 · Service Bulletin/Repair Instructions · issued Jun 28, 2024
Engine problems in other Alero years
| Year | Reports | Share |
|---|---|---|
| 2004 Alero | 13 | 12% |
| 2002 Alero | 12 | 4% |
| 2001 Alero | 15 | 4% |
| 2000 Alero | 7 | 1% |
Other reported problem areas on the 2003 Oldsmobile Alero
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.