Q45 V8-4494cc 4.5L DOHC (VH45) (1992)
Air Injection Manifold: Specifications
Air/Fuel Mixture....................................................................................................................................................................................Non-Adjustable [1]
Engine Idle Speed..........................................................................................................................................................................................650 ± 50 RPM
^A/T in "N" Position
Firing Order............................................................................................................................................................................................1-8-7-3-6-5-4-2 [2]
Ignition Timing..............................................................................................................................................................................................15 ± 2° BTDC
Valve Lash..............................................................................................................................................................................................Non-Adjustable [3]
[1] ECU lamp should flash more than 5 times in 10 seconds at 2000 rpm.
[2] Left front is #1, right front is #2.
[3] Hydraulic lifters.
Back-Pressure Transducer (BPT) Valve Fasteners
Torque Value......................................................................................................................................................................................16-21 (1.6-2.1/12-15)
Back-Pressure Transducer (BPT) Valve Tube
Torque Value......................................................................................................................................................................................8-10 (0.8-1.0/5.8-7.2)
Catalytic Converter (front) Fasteners
Torque Value......................................................................................................................................................................................45-60 (4.5-6.0/33-44)
Catalytic Converter (right) Fasteners (at rear)
Torque Value......................................................................................................................................................................................43-55 (4.3-5.5/32-41)
Catalytic Converter (left) Fasteners (U-bolts at rear)
Torque Value......................................................................................................................................................................................21-26 (2.1-2.6/15-20)
Exhaust Gas Recirculation (EGR) Tube
Torque Value......................................................................................................................................................................................39-49 (3.9-4.9/29-36)
Exhaust Gas Recirculation (EGR) Valve Fasteners
Torque Value......................................................................................................................................................................................21-26 (2.1-2.6/15-20)
Ignition Coil Fasteners
Torque Value..............................................................................................................................................................................2.5-3.2 (0.25-0.32/1.8-2.4)
Positive Crankcase Ventilation (PCV) Valve
Torque Value......................................................................................................................................................................................20-29 (2.0-2.9/14-22)