When driving or idling you get a smell of antifreeze inside the drivers compartment. Dealer said the only way to fix was to get the heating and cooling system on recirculating and not fresh air. This is constant problem no matter the twhat the temp at urge isoutside.
2020 Nissan Pathfinder engine problems
moderate 10 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
10
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 10 engine complaints filed for the 2020 Nissan Pathfinder, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Engine accounts for 20% of all owner complaints filed against this vehicle, across 5 categories tracked.
No new NHTSA engine complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
What owners are reporting 5 most recent
There's been a loss of power when accelerating, engine has made an odd noise during startup and occasionally a knocking noise when driven longer than a 10 mins. Dealership said there's metal in the oil pan. I saw an article today that said only nissan three and four cylinder vehicles have these issues but my pathfinder has the same problems.
My 202 pathfinder started misfiring with sever knocking, Nissan said there is metal saving in my oil which is caused because of the long block engine failure and timing chain loosening. I had my oil changes done every 4K, and I also had the fluids flushed twice in 5 years because of excessive build up. How does this happen.
Engine misfiring on left side due to faulty timing chains. Car would not start at times, and engine light flashing. Safety was at risk due to engine being unreliable, misfiring, and we were advised it could possibly stall/cut-out while driving. Problem confirmed by independent service center. Dealer service center would not diagnose without taking engine apart at our expense, they recommended…
Engine failure while driving. Abnormal engine oil consumption. Oil level dropped without warning and without any warning lights from the vehicle. The vehicle oil level as checked 1 day prior to failure.
Had engine trouble with your 2020 Nissan Pathfinder?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2020 Nissan Pathfinder?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 10 complaints filed, engine issues most often appear around 13,350 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Nissan/Pathfinder.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.