2020 Chevrolet Malibu: Engine failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Malibu report: engine failure. CarComplaints.com lists 1 owner complaints, average mileage 16,000 miles.
NHTSA has 61 owner complaints for the 2020 Malibu in this area. Examples:
- NHTSA complaint ODI #11748641 (filed 07/06/2026): “While driving, the brakes became hard and the vehicle was difficult to stop. the brake pedal required excessive force, brake assist was reduced, and the stopping distance increased, creating a serious safety hazard. the check engine light had been illuminated …”
- NHTSA complaint ODI #11734196 (filed 04/27/2026): “I am writing to report a serious and dangerous issue that occurred with my 2020 chevrolet malibu lt on april 27th 2026. while driving on the interstate after work, my vehicle suddenly experienced a failure that made it extremely unsafe to operate. the brake p…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .