2005 Buick Lacrosse Engine Problems
- Complaints
- 6about this part
- Share
- 2%of 315 total for the year
- Median mileage
- 107,159miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine of the 2005 Buick Lacrosse, 2% of the 315 complaints for this model year. Where a mileage was given, the median is 107,159 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 2005 Buick Lacrosse. While driving 65 MPH, the vehicle stalled, but was able to be restarted. The failure occurred on numerous occasions. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 90,000.”
NHTSA complaint #10637588, filed 2014-09, 90,000 miles“The contact owns a 2005 Buick Lacrosse. The contact stated that while driving 15 MPH, the vehicle stalled and failed to restart. The contact mentioned that unknown warning indicators illuminated on the instrument panel. The failure recurred on multiple occasions. The vehicle was taken to a dealer. The technician diagnosed that there was a reduced engine power and starter delay. The vehicle was not repaired and the manufacturer was notified. The VIN was not available. The approximate failure mileage was 112,380.”
NHTSA complaint #10670202, filed 2015-01, 112,380 miles“The contact owns a 2005 Buick Lacrosse. While driving the vehicle, smoke appeared underneath the hood. The contact smelled a burning wire and there was no warning indicator illuminated. The contact pulled the vehicle over to the side of the road and had it towed back to the dealer where it was diagnosed that the failure was not related to the recall. The dealer diagnosed and replaced the coil and spark plugs. After the contact drove home with the vehicle, it did not start again and was towed to an independent mechanic. The mechanic diagnosed there was a problem with the engine control module. …”
NHTSA complaint #10874199, filed 2016-06, 107,159 miles“The contact owns a 2005 Buick Lacrosse. While driving at various speeds, the vehicle stalled without warning. The contact had to wait approximately 3 to 7 minutes before the vehicle could be restarted and driven. The vehicle was only able to be driven for short amounts of time before it would stall again without warning. The contact took the vehicle to the dealer who was unable to diagnose the vehicle. The vehicle's main computer was replaced; however, the failure recurred. The vehicle was not repaired. The manufacturer was not aware of the failure. The approximate failure mileage was 179,000. …”
NHTSA complaint #10870343, filed 2016-05, 179,000 miles“The contact owns a 2005 Buick Lacrosse. The contact stated that while driving 45 MPH, the vehicle stalled without warning. The contact mentioned that the vehicle restarted after several attempts. The vehicle was not taken to the dealer. The manufacturer was not notified of the failure. The approximate failure mileage was unknown.”
NHTSA complaint #10626268, filed 2014-08Related service bulletins
- 11007091Aug 5, 2024This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 11004761Jun 28, 2024This 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…
- 10242298Aug 10, 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…
- 10211658May 2, 2022This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
- 10178949Jul 28, 2020This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC…
- 10178387Jul 27, 2020This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller…
- 10176326May 21, 2020This 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…
- 10176607May 8, 2020This 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…
- 10167437Oct 14, 2019This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the…
- 10160987May 7, 2019This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 3 | 43% |
| 2018 | 4 | 33% |
| 2017 | 5 | 14% |
| 2016 | 3 | 6% |
| 2015 | 1 | 2% |
| 2014 | 4 | 6% |
| 2013 | 31 | 24% |
| 2012 | 46 | 22% |
| 2011 | 30 | 18% |
| 2010 | 44 | 23% |
| 2009 | 5 | 5% |
| 2008 | 17 | 7% |
| 2007 | 9 | 4% |
| 2006 | 8 | 3% |
| 2005 | 6 | 2% |
Other parts of the 2005 Buick Lacrosse
82 complaintsElectrical system
80 complaintsSteering
51 complaintsAir bags
34 complaintsBrakes
34 complaintsTransmission and drivetrain
19 complaintsBody and structure
16 complaintsSuspension
13 complaintsEngine cooling
11 complaintsVehicle speed control
11 complaintsVisibility (wipers, defrost, mirrors)
9 complaintsFuel system
7 complaints
← All problems reported for the 2005 Buick Lacrosse
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