Toyota 1HZ Repair Manual

FUEL SYSTEM Injection Pump FU-81
(f) Adjust by turning the maximum speed adjusting
screw.
12. CHECK INJECTION VOLUME
(a) (1 PZ (w/ HAC) and 1 HZ (w/ HAC))
Apply 760 ± 1.5 mmHg (29.92 ± 0.06 in.Hg, 101.3 ±
0.2 kPa) absolute pressure.
(b) (1PZand1HZ)
Measure the injection volume at each pump rpm.

Toyota 1HZ Specifications

General

Fuel Type	Diesel
Maximum Power	96 kW (129 hp) at 3800 rpm
Firing Order	1-5-3-6-2-4
Aspiration	Naturally aspirated
Fuel System	Direct injection
Cooling System	Water-cooled
Displacement	4.2 L (4164 cc)
Maximum Torque	285 N·m (210 lb·ft) at 2200 rpm
Valvetrain	SOHC, 12 valves (2 per cylinder)