2016 Toyota 4Runner: Check engine and TRAC lights on
Common wear/failure (not a recall)
Symptoms
Owners of the 2016 4Runner report: check engine and TRAC lights on. CarComplaints.com lists 2 owner complaints, average mileage 18,150 miles.
NHTSA has 6 owner complaints for the 2016 4Runner in this area. Examples:
- NHTSA complaint ODI #11161258 (filed 12/13/2018): “My vehicle was parked in front of my home and when i went out in the morning to take my children to school my vehicle started misfiring all the checks engine lights were lighted up every warning light on my panel lit up. i had my vehicle towed back to the deal…”
- NHTSA complaint ODI #11113810 (filed 07/26/2018): “Since new, i have documented at least 20 occurrences of lack of acceleration, several times almost resulting in an accident. all occurrences happen from a stopped position, then applying at least half accelerator pedal, the truck will initially accelerate, th…”
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: replace throttle box (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 .