2018 Buick Lacrosse Fuel system Problems
- Complaints
- 3about this part
- Share
- 25%of 12 total for the year
- Median mileage
- 161,188miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2018 Buick Lacrosse, 25% of the 12 complaints for this model year. Where a mileage was given, the median is 161,188 miles. 1 recall campaign on record is filed under a similar system.
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.
“I have brought my 2018 Buick Lacrosse to two different Buick dealerships who say that even though a special instruction letter was recognized and a recall was observed, because my check light went out and the codes on the car where cleared, they will not fix either recall. On three different occasions, the car slowed down to a crawl speed, the check engine light went on and the brakes applied themselves. Also across the dash was displayed 'service transmission'. I thought it was the accelerator pedal position sensor, but it may be a transmission problem. …”
NHTSA complaint #11523910, filed 2023-05“When I get to a stop sign, and a stop light, when trying to accelerate after a complete stop, the car would struggle to accelerate to go forward. Where the shifting gears would start blinking, and the warning lights (engine power reduced, engine light, and the traction safety collision light) would display itself making it misfire and impossible to even go forward while pressing the gas pedal. …”
NHTSA complaint #11698766, filed 2025-11“The contact owns a 2018 Buick Lacrosse. The contact stated while driving at an undisclosed speed, the vehicle hesitated to accelerate while the accelerator pedal was depressed. The contact pulled over and checked underneath the vehicle. The contact discovered that the START/STOP accumulator endcap bolt had detached, causing transmission fluid to leak onto the ground. The vehicle was towed to the residence. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact stated that in 2021, he detected an abnormal fuel odor coming through the air vents while driving. …”
NHTSA complaint #11593626, filed 2024-06, 161,188 milesRelated recalls
- 18V358000May 31, 2018General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia…Covers: Buick Lacrosse 2018, GMC Canyon 2015–2018, Chevrolet Malibu 2016–2018 +6 more
Related service bulletins
- 11024324Sep 4, 2025This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11023365May 14, 2025This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11017173Mar 21, 2025This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- 11013239Jan 14, 2025This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11012678Dec 12, 2024This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11011896Nov 21, 2024This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11008893Aug 20, 2024This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11007095Aug 7, 2024This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles…
- 11004727Jun 29, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 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…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 1 | 14% |
| 2018 | 3 | 25% |
| 2017 | 1 | 3% |
| 2016 | 3 | 6% |
| 2015 | 3 | 7% |
| 2014 | 1 | 2% |
| 2013 | 9 | 7% |
| 2012 | 8 | 4% |
| 2011 | 5 | 3% |
| 2010 | 7 | 4% |
| 2009 | 5 | 5% |
| 2008 | 3 | 1% |
| 2007 | 3 | 1% |
| 2006 | 2 | 1% |
| 2005 | 7 | 2% |
Other parts of the 2018 Buick Lacrosse
5 complaintsEngine
4 complaintsTransmission and drivetrain
3 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsOther or unknown
1 complaints
← All problems reported for the 2018 Buick Lacrosse
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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