my Pops had our 1995 townace tested today...

result = 0.41 K



last changed Fuel Filter - 1 year & 1 month ago
changed Air Filter - 8 months ago
Changed Oil+filter - 6 months ago * 172,000 Km
current mileage - 177,000 km.
oil change is due...

and we didn't clean the tailpipe before the test....