2020 Toyota Tundra: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 6 owner complaints for the 2020 Toyota Tundra that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11766148 (filed 09/22/2026): “When driving on the freeway at 70mph speeds during rush hour, i lost all power to the vehicle causing me to have to immediately pull to the side of the freeway with minimal control of the vehicle. i had to come to a complete stop on the freeway putting myself and others at high risk for a high speed…”
- NHTSA complaint ODI #11484696 (filed 09/15/2022): “Air conditioning compressor partially seizes if air conditioning is turned on while driving and when air conditioning knob is on at time engine is started. makes very loud noise. when driving, and it occurs, truck will slow suddenly as if the brakes were applied until compressor engages. dealer mech…”
- NHTSA complaint ODI #11394700 (filed 02/04/2021): “Tl* the contact owns a 2020 toyota tundra. the contact stated while driving at low speeds, he started to hear an abnormal noise. the contact stated no warning light was illuminated. the vehicle was taken to the local dealer toyota of santa maria (700 east betteravia rd, santa maria, ca 93454, (805) …”
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 .