Emission Control Systems: Specifications

Valve Clearance Hyd. Lifters [1]

Firing Order 1-3-4-2

Idle Speed 750 ± 100 rpm [2]
Idle Mixture [1]

[1] Not Adjustable.
[2] Refer to ADJUSTMENT PROCEDURES.

TIGHTENING TORQUE SPECIFICATIONS:

Catalyst To Center Exhaust Pipe Bolts 30 - 40 N-m (22 - 29 ft.lbs.)
Catalyst To Front Exhaust Pipe 30 - 40 (22 - 29 ft.lbs.)
EGR Valve Installation Bolt 10 - 15 N-m (7 - 10 ft.lbs.)
EGR Temperature Sensor 10 - 12 N-m (7.3 - 8.6 ft.lbs.)
EGR Thermo Valve 20 - 40 N-m (15 - 30 ft.lbs.)