2023 Toyota Tacoma: Engine failure-lash adjusters
Common wear/failure (not a recall)
Symptoms
Owners of the 2023 Tacoma report: engine failure-lash adjusters. CarComplaints.com lists 1 owner complaints, average mileage 4,300 miles.
NHTSA has 9 owner complaints for the 2023 Tacoma in this area. Examples:
- NHTSA complaint ODI #11721783 (filed 03/03/2026): “Oil cap went loosed and fell off after a few hundred miles of driving. this is a very common thing in 2023 toyota tacoma.…”
- NHTSA complaint ODI #11710839 (filed 01/14/2026): “Deep knocking noise they call the taco tick is actually the a problem with the motor. there is an issue valve train and timing chain, tensioners and pulleys. toyota usa decide to tell all consumers it’s just the way they sound. so they do not have to repair mi…”
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 rebuild (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
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 .