2019 Chevrolet Tahoe: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 33 owner complaints for the 2019 Chevrolet Tahoe that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11772668 (filed 10/21/2026): “At approximately 80,700 miles, i started my 2019 chevrolet tahoe (6.2l v8) to take my family on errands. my wife heard a squeaking noise from the engine as she walked to the vehicle, and i got out and heard the same noise. no warning lights or messages appeared on the dashboard, before or after. i …”
- NHTSA complaint ODI #11770980 (filed 10/13/2026): “There was no accident, but while i was on a busy highway, my vehicle started failing me. i wasn’t able to go past 50mph. after taking it to the dealership they said it’s a torque converter and transmission failure.…”
- NHTSA complaint ODI #11767144 (filed 09/26/2026): “6.2l engine failure: vehicle was purchased last november at 113000 miles and at approximately 127000 miles we heard a noise coming from our engine one morning. took it to the dealer we purchased the truck from because we bought an extended warranty and they got back to us and said there were metal f…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
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 for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .