2019 GMC Sierra 1500: Check engine light shaking engine replacement recommended
Common wear/failure (not a recall)
Symptoms
Owners of the 2019 Sierra 1500 report: check engine light shaking engine replacement recommended. CarComplaints.com lists 3 owner complaints, average mileage 68,400 miles.
NHTSA has 327 owner complaints for the 2019 Sierra 1500 in this area. Examples:
- NHTSA complaint ODI #11770483 (filed 10/11/2026): “The engine started making a loud knocking noise and lost power. luckily the event happened in a neighborhood and no one got hurt. the check engine has been on for brief periods prior to this event.…”
- NHTSA complaint ODI #11770075 (filed 10/09/2026): “The engine developed a noise while driving. the engine has been replaced. so inspection of the original engine is not available. the failure happen on the interstate system in a large metropolitan city, in heavy traffic. our independent service center confirme…”
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: engine replaced (1 reports) replace failed lifter & cam (1 reports). 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
CarComplaints.com owners report a typical repair cost of about $6,250 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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