2023 Chevrolet Silverado 1500: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 175 owner complaints for the 2023 Chevrolet Silverado 1500 that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11771110 (filed 10/14/2026): “**xxx** **from:** [xxx] **to:** general motors company, chevrolet customer assistance, gm financial, and wallace chevrolet **re: formal complaint and final request for resolution — 2023 chevrolet silverado 1500 rst engine failure** **vehicle:** 2023 chevrolet silverado 1500 rst **vin:** [inse…”
- NHTSA complaint ODI #11770565 (filed 10/12/2026): “My 2023 chevrolet silverado 1500 zr2 equipped with the 6.2l l87 v8 has exhibited abnormal engine behavior since shortly after purchase, well before gm announced the engine recall. symptoms include extremely loud intermittent metallic lifter/valvetrain noise during cold starts, persistent rough idle,…”
- NHTSA complaint ODI #11767744 (filed 09/29/2026): “I have received a voluntary recall notice on my 2023 chevrolet silverado. the recall states that the vehicle may have a condition which can cause the fuel pump power control module to fail. if this happens fuel flow to the engine could be interrupted causing the motor to shut off. would this be …”
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.
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