2020 Nissan Frontier: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 5 owner complaints for the 2020 Nissan Frontier that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11749618 (filed 07/10/2026): “Crank bolt snapped causing me to loose power steering, a part failed that shouldn't have .i have the bolt looks like in was cracked when they put it together, it was only on by about three threads, my mechanic and the one from nissan said they'd never seen one come apart before,lucky i wasn't …”
- NHTSA complaint ODI #11690226 (filed 09/28/2025): “Unknowni want to report my repossessed car and hold santander consumer usa responsible because they sold my car without my consent and not only that, report the fraud of the sale of the same car that i bought and that neither the dmv nissan of orange nor santander consumer usa informed me of the deb…”
- NHTSA complaint ODI #11545091 (filed 09/18/2023): “Vehicle alternator failed at 79,000 miles. instead of shutting off, vehicle disabled the cooling fans but kept the engine and fuel supply systems running leading to the vehicle overheating during diagnostics which require the engine to rev and hold an elevated rpm. unsure if other systems like brak…”
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)
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Sources
Page last updated .