Toyota 3F-E engine: known problems

Used in 2 guides · petrol · 4 known problems

Layout

I6 NA

Fuel

petrol

Known problems4

Everything our guides list for the variants with this engine: the engine itself plus the gearbox and ancillaries it's paired with. Each shows which cars it's listed for.

Medium

Age-related wear (earliest 80 Series)

These are the oldest 80s; expect tired cooling, perished seals and hoses, worn bushes and aged electrics.

Fix: Budget a full consumables refresh and a thorough pre-purchase inspection.

Any (age) · Varies

Listed for: Toyota LandCruiser 80 Series

Medium

Carburettor wear / tuning (3F)

The carburetted 3F suffers from worn/gummed carbs and aged vacuum lines causing hard starting, stalling and flat-spots; the later 3F-E EFI is generally easier to live with.

Fix: Carb rebuild/clean and replace perished vacuum hoses; specialist tune.

Any (age) · ~$300-1200

Listed for: Toyota LandCruiser 70 76 Wagon / 78 Troopcarrier

Medium

Fuel thirst and age-related wear

17-22 L/100km plus decades of wear - expect tired cooling, electrics, seals and bushes.

Fix: LPG to manage fuel cost; budget a full consumables refresh.

Any · Varies

Listed for: Toyota LandCruiser 70 76 Wagon / 78 Troopcarrier

Low

Fuel thirst with modest performance

Drinks 16-20 L/100km like the bigger 1FZ but gives less power; touring range is poor.