Looking for advice

Hi P:

Check if:

i. power steering pump is working. ii. temperature sensor is working. iii. Instrumental panel - fuel gauge, speedometer, blacklit, etc. is working.

These are the frequent problems on the LS400 (First Generation).

BR,

V.

Assuming that the powersteering being usable qualifies as it working then "check"

Certainly seemed to be - check

Check.

Looks like it may be a good one. How expensive/difficult are any of these to fix if they do fail?

P.

There are some other possible problems, too.

If it has air suspension, make sure that it is all ok. It is not cheap to replace.

The bushings (both front and rear) and lower ball joints in the front axle may need replacement. The upper rear bushings may be somewhat expensive as they come complete with the arms. Look for uneven wear on the tires, that may reveal problems in the axle support.

Make sure that the ATF oil smells fresh and it shifts normally.

The EGR return pipe is almost always in the verge of fracture and is laborous to replace.

Get someone who know how the car should look, sound, feel, smell, and you can be more sure about the car.

O2-sensors may need replacement. Sometimes the only symptom of faulty O2-detectors are very rare misses while driving a properly warmed up engine about 80-85 km/h with very light gas pedal position.